Search Results — 2000 specimen records retrieved (1305 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD125397  Abronia latifolia Robert Robichaux 1975-5-18 129 Sonoma Bodega Bay, northwest end of Bodega Head Comment
  UCD109792  Abronia latifolia Steven Yoder 1969-5-24 28 Sonoma 1 mile north of Marine Lab at Bodega Bay. 7 Comment
  UCD14884  Abronia latifolia Chris Chan 1991-3-5 4 Sonoma California, Sonoma Co.; at the University of California Bodega Marine Lab; 33 Comment
  POM161248  Acaena pinnatifida var. californica Rimo Bacigalupi 1928-6-18 1903 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  UCD137235  Acaena pinnatifida var. californica Javier Jauregui L.; Dan Potter 2013-6-28 1 Sonoma Santa Rosa. 7806 Bennett Valley Road. 210 Comment
  CAS-BOT-BC332797  Acer macrophyllum Irja Knight; Walter Knight 1964-11-15 785 Sonoma Hood's Peak at Johnson Lake Comment
  CAS-BOT-BC336945  Acer negundo var. californicum Peter Rubtzoff 1951-9-2 715 Sonoma Pitkin Marsh near Forestville, south of the Upper Marsh Comment
  HSC2827  Acer negundo var. californicum Martha Meagher 1947-3-22 98 Sonoma Co. rd. 0.5 mi. W of Freezeout Creek across Russian River from Duncan's Mills Comment
  CAS-BOT-BC30091  Achillea millefolium John Thomas Howell 1955-8-6 30896 Sonoma Dunes at Bodega Head Comment
  CAS-BOT-BC30076  Achillea millefolium John Thomas Howell 1945-8-14 21396 Sonoma Perry Marsh Comment
  CAS-BOT-BC29168  Achyrachaena mollis Barrett Anderson 1987-4-27 3454 Sonoma Petaluma, south of El Rose and west of D Street. 120 Comment
  CHSC26307  Acmispon brachycarpus P. Kunst 1977-4-11 18 Sonoma 121 Comment
  UCD104032  Acmispon brachycarpus Frederica Bowcutt 1996-3-24 2084 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 0.5 air mile SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  UCD104308  Acmispon parviflorus P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  UCD104330  Acmispon parviflorus Helen K. Sharsmith 1963-5-25 5475 Sonoma Road from Freestone to Occidental. 121 Comment
  UCD104493  Acmispon wrangelianus Mary M. Hektner 1974-6-2 11 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD104496  Acmispon wrangelianus P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC29848  Adenocaulon bicolor Volney Rattan 1877-6-18 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC30276  Adenocaulon bicolor A. A. Heller 1902-6-26 5771 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  RSA12257  Adiantum aleuticum C. B. Wolf 1934-6-29 5802 Sonoma 6/10 of a mile inland from Stewart's Point. 61 Comment
  UCD148509  Adiantum aleuticum Peter Rubtzoff 1965-10-10 5657 Sonoma Duncans Mills Marsh. Comment
  UCSB40475  Adiantum aleuticum Takada, Brian 1978-5-28 Sonoma 20mi N of Bodego Bay on Hwy 1 Comment
  JEPS128352  Adiantum jordanii Roger Raiche 2000-5-5 094 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UCD137211  Adiantum jordanii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 56 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  CAS-BOT-BC368050  Aegilops triuncialis Greg de Nevers 1989-6-8 9074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA201206  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma James Black property, River Road, ca. 6 miles east of Cloverdale. Comment
  UCD51564  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, 6 miles E/Cloverdale. Comment
  CAS-BOT-BC202704  Aesculus californica A. A. Heller 1902-6-4 5644 Sonoma Santa Rosa Comment
  UCD136639  Aesculus californica Frederica Bowcutt 1997-7-18 2175 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  SEINET4853892  Agastache glaucifolia A. A. Heller 1902-6-28 5792 Sonoma Between Knight's Valley & Mark West Springs. Comment
  CAS-BOT-BC29573  Agoseris apargioides var. eastwoodiae John Thomas Howell 1930-6-8 5268 Sonoma North end of Bodega Bay Comment
  UCD158774  Agoseris grandiflora James A. Neilson Jr. 1974-6-1 3558 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC22784  Agoseris heterophylla Alice Eastwood 1921-5-8 10480 Sonoma Petaluma Comment
  UC1195633  Agrimonia gryposepala A. R. Kruckeberg 1948-6-6 1730 Sonoma w side Mt. St. Helena (bank of Briggs Creek at road crossing, Ida Clayton road); , Briggs Creek Comment
  CAS-BOT-BC451164  Agrimonia gryposepala Greg de Nevers 1991-7-20 9765 Sonoma Ida Clayton Road, at the big spring about 7 miles from Hwy 128 609 Comment
  CAS-BOT-BC166696  Agrostis Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7848 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC176405  Agrostis Peter Rubtzoff 1973-7-24 7195 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC210011  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC210016  Agrostis Peter Rubtzoff 1968-7-13 5914 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC361409  Agrostis Greg de Nevers 1997-5-8 11993 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. On Oak Hill Ranch burned area 457 Comment
  RSA785750  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma SE of Lower Salmon Creek Marsh Comment
  UCD37151  Agrostis blasdalei Beecher Crampton 1957-7-11 4330 Sonoma Sonoma County, 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD51871  Agrostis capillaris Beecher Crampton 1957-7-22 4378 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCR119036  Agrostis clivicola Beecher Crampton 1957-7-11 4336 Sonoma Central Coast, 1.7 miles north of Salmon Creek, Sonoma Coast State Park along State Highway 1 30 Comment
  UC1153786  Agrostis densiflora Beecher Crampton 1957-7-11 4344 Sonoma sandy slopes above bluffs (4.6 mi n of Salmon Creek); Sonoma Coast State Park, Duncan's Point Comment
  UCD166086  Agrostis densiflora Peter Rubtzoff 1971-6-25 6562 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing. Comment
  UCD51992  Agrostis densiflora Beecher Crampton 1957-7-11 4344 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north Salmon Creek. Comment
  UCR279633  Agrostis densiflora Peter Rubtzoff 1967-8-22 5854 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  CAS-BOT-BC126962  Agrostis exarata G. DeNevers 1981-6-20 1590 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Along Leslie Creek bed. Comment
  OBI22541  Agrostis exarata Robert F. Hoover 1966-7-17 9415 Sonoma Sausal Crk N of Alexander Valley Comment
  UCD52116  Agrostis exarata Beecher Crampton 1955-6-17 2943 Sonoma 4.5 miles S of Cazadero. Comment
  UCD53510  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD52229  Agrostis exarata var. pacifica Beecher Crampton 1957-7-22 4381 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  CAS-BOT-BC139553  Agrostis gigantea Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower Marshes. Comment
  UC573390  Agrostis hallii H. S. Yates 1937-6-6 6570 Sonoma 8 mi sw Healdsburg; Healdsburg Quad. 152 Comment
  UCD52696  Agrostis hallii B. Crampton 1955-6-17 2979 Sonoma 2.4 miles south of Monte Rio. Comment
  UCD52693  Agrostis hallii Freed W. Hoffman 1941-6-28 2067 Sonoma Sonoma Mountain road. Comment
  UCD53051  Agrostis microphylla Freed W. Hoffman 1944-5-30 2013 Sonoma Russian River, Guernewood Park. Comment
  UCD66731  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Above Sulfur Creek Geysers. Comment
  RSA94289  Agrostis oregonensis Peter Rubtzoff 1951-6-16 254 Sonoma Uppermost part of the western branch of the Uppper Marsh Comment
  CAS-BOT-BC138917  Agrostis pallens G. DeNevers 1981-6-15 1519 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. Comment
  UCD53076  Agrostis pallens R. Tofsrud 1941-7-1 128 Sonoma Parker Hill, Santa Rosa. Comment
  UCD144566  Agrostis pallens Frederica Bowcutt 1994-6-12 1856 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air milse N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC138595  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma county coast, 5 miles south of Stewart Point. Comment
  SDSU724  Agrostis stolonifera D. F. Howe 1963-7-3 3586 Sonoma 20 miles norht of Junction with #12 on #1 Comment
  UCD53463  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar, in experimental field. Comment
  UCD53597  Agrostis stolonifera Herbert L. Mason 1946-7-4 12888 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CDA36851  Aira caryophyllea CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD55770  Aira caryophyllea P. B. Kennedy 1929-5-24 s.n. Sonoma Clover Hill, between Plantation and Black Point. Comment
  CAS-BOT-BC164375  Alisma Peter Rubtzoff 1965-6-20 5558 Sonoma Petaluma Creek, 4 miles northeast of Petaluma (on Stoney Point Road) Comment
  CAS-BOT-BC182740  Alisma Peter Rubtzoff 1975-8-16 8326 Sonoma Bennett Mtn. Lake Comment
  SBBG39698  Alisma lanceolatum P. Rubtzoff 1955-7-16 1959 Sonoma Bennett Mountain Lake Comment
  UCD137921  Alisma lanceolatum Peter Rubtzoff 1958-7-20 3783 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC182744  Alisma triviale Peter Rubtzoff 1970-8-18 6304 Sonoma Five miles north of Sears Point Comment
  UCD137982  Alisma triviale Peter Rubtzoff 1962-9-9 5076 Sonoma Brooks Gulch Marsh. Comment
  UCD35882  Allium amplectens Beecher Crampton 1966-5-10 7731 Sonoma 6.5 miles n. of Sonoma, State Hwy. 12. Comment
  CAS-BOT-BC462380  Allium amplectens Milo S. Baker 1927-5-7 2124 b Sonoma Adobe Canon Comment
  CAS-BOT-BC462384  Allium amplectens L. S. Rose 1931-4-28 s.n. Sonoma Between Black Point and Shellville Comment
  CAS-BOT-BC462389  Allium amplectens Milo S. Baker 1934-4-28 7754 Sonoma Jensen ranch. West of Dry Creek Comment
  CAS-BOT-BC311778  Allium sativum Mary P. Wells 1985-7-1 523 Sonoma Ducker Creek bank, Rincon Valley, Santa Rosa Comment
  CDA18796  Allium triquetrum G. Bjork 2000-3-14 PDR 022581 Sonoma Copperfield Court, Santa Rosa 0 Comment
  CAS-BOT-BC474313  Allium unifolium Greg de Nevers 1992-4-29 10127 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In streambed above Rogers 475 Comment
  CDA33064  Allium vineale J. Chesi & B. Hass 1979-6-13 Sonoma Asti 0 Comment
  SEINET12031413  Alnus rhombifolia F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -256 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC169361  Alnus rubra Peter Rubtzoff 1957-4-28 3286 Sonoma Lower Salmon Creek Marsh, along streamlet Comment
  CAS-BOT-BC169366  Alnus rubra Peter Rubtzoff 1951-8-26 683 Sonoma At base of hill near the road from East Guernewood to Vacation Beach (Guerneville Ragion) Comment
  RSA800598  Alnus rubra Peter Rubtzoff 1960-6-11 4504 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC138150  Alopecurus aequalis var. aequalis Peter Rubtzoff 1955-7-30 1994 Sonoma Bennett Mountain Lake. Comment
  UCD55917  Alopecurus saccatus Milo Baker 1941-6-1 s.n. Sonoma somewhere on coast. Comment
  CAS-BOT-BC258026  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 miles west of Bloomfield. Comment
  CAS-BOT-BC540839  Amaranthus Peter Rubtzoff 1973-8-20 7235 Sonoma Sonoma Creek bottom hear Agua Caliente Road crossing W of Agua Caliente Comment
  OBI35909  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  SEINET5710304  Ambrosia chamissonis Michael Fleschner 1965-1 s.n. Sonoma University of California Marine Biology Laboratory, Bodega Bay.; Bodega Bay Comment
  CAS-BOT-BC135667  Amelanchier utahensis A. A. Heller 1903-4-24 6617 Sonoma Woods near Cazadero Comment
  CAS-BOT-BC137885  Ammophila arenaria John H. Thomas 1976-6-17 18349 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma county, about 4 miles south of Gualala. Comment
  RSA385134  Ammophila arenaria Edith A. Purer 1932-7-24 16233 Sonoma near Bodega bay. Comment
  POM252870  Amorpha californica var. napensis A. A. Heller 1902-6-24 s.n. Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC222274  Amsinckia Alice Eastwood 1933-5-7 18843 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  CAS-BOT-BC222279  Amsinckia John Thomas Howell 1934-3-25 11775 Sonoma Lakeville Comment
  CAS-BOT-BC222282  Amsinckia John Thomas Howell 1934-3-26 11786 Sonoma Southwestern base of Mt. Hood Comment
  CHSC90578  Amsinckia intermedia Elizabeth L. Knight 1988-4-1 4 Sonoma About 0.25 mi east-northeast of southernmost point of Bodega Head and 100 ft north of Pacific Ocean. 15 Comment
  UC1585917  Anagallis arvensis Barbara Ertter 1988-11-5 8028 Sonoma ca. 5 airmiles due s. Cloverdale (point below Little Flat parking area w. of bridge, Lake Sonoma); Lake Sonoma 152 Comment
  POM44461  Anagallis arvensis Janet Beckman 1882-7-17 s.n. Sonoma Duncans Wills. Comment
  CAS-BOT-BC272873  Ancistrocarphus filagineus Greg de Nevers; Frank Almeda 1987-4-11 8134 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UCD56062  Andropogon glomeratus var. pumilus Virginia Bufford 1936-8-18 413 Sonoma Pitkins Marsh, Vine Hill District. Comment
  CAS-BOT-BC391877  Anemone grayi Ella Dales Cantelow 1939-4-10 4233 Sonoma 7 mi. e. of Seaview Comment
  HSC71481  Angelica californica J. M. DiTomaso 1980-6-13 1596 Sonoma 4900 Trinity Rd., between Glen Ellen and Oakville Comment
  UC479153  Angelica tomentosa Marcus E. Jones, A. M. 1931-7-5 29050 Sonoma w of Cloverdale Comment
  UCD126249  Angelica tomentosa Frederica Bowcutt 1997-7-20 2204 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood, 1 air mile S of Red Mountain. Edge of service roade just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  CAS-BOT-BC271437  Anisocarpus madioides A. A. Heller 1902-6-26 5769 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  UCD128891  Anisocarpus madioides F. Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1758 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles northwest of Napa, 1.5 air miles northeast of Kenwood. In Adobe Canyon north of Sugarload Ridge along the Goodspeed Trail, 200 yards from the trail head on Adobe Canyon Road and just east of Bear Creek, 5 yards north of confluence with Sonoma Creek. 198 Comment
  UCD148386  Anthemis cotula Peter Rubtzoff 1956-9-14 2895 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD148409  Anthemis cotula Peter Rubtzoff 1958-8-9 3834 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  RSA63618  Anthoxanthum aristatum Leo Koch 1940-4-12 841 Sonoma Damp meadow north of Windsor on East side of Hwy 101. Comment
  UCR118997  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2412 Sonoma Santa Rosa Area, 3 miles northeast of Trenton, 3 miles southwest of Windsor, Starr Road, near Starr School, along Windsor Creek 91 Comment
  UCD56147  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2412 Sonoma 3 miles northeast of Trenton. Comment
  CAS-BOT-BC280661  Anthoxanthum occidentale Roxana S. Ferris; Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  CAS-BOT-BC280666  Anthoxanthum occidentale K. Wagnon 1939-4-10 165 Sonoma About 1/2 mile south of Jonive Grammar School, six miles west of Sebastopol Comment
  SEINET11688816  Anthoxanthum occidentale F. H. Utech 1988-1 88 -186 Sonoma ca 0.15 mi SE from East Avenue junction with Bohemian Road on latter enroute to Occidental 140 Comment
  CAS-BOT-BC137695  Anthoxanthum odoratum David L. Morgan 1961-4-15 s.n. Sonoma Russian River Highway 4 miles west of Monte Rio. Comment
  UC1011019  Anthoxanthum odoratum Virginia Bufford 1936-5-1 178 Sonoma 2 mi above Duncan's Mill Comment
  UCR142043  Anthoxanthum odoratum Beecher Crampton 1955-6-17 2940 Sonoma North Coast Range, 0.5 mile north of Guerneville, along Fife Creek 30 Comment
  SD133976  Antirrhinum vexillocalyculatum subsp. breweri Greg de Nevers 1987-6-1 8185 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 99 Comment
  UC26380  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum J. Burtt Davy 1894-12-9 867 Sonoma Kenwood Comment
  JEPS11931  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Francis W. Pennell Jul 2 1940-Jul 3 1940 26038 Sonoma ne of Kenwood Springs 304 Comment
  UC192719  Antirrhinum virga Michener and Bioletti May 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC457592  Aphanes occidentalis John H. Thomas 1966-3-22 11537 Sonoma Near the intersection of Occidental Road and Facedini Lane between Occidental and Graton, 1 mile east of Occidental. Serpentine. Comment
  RSA31667  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa Comment
  UC726166  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa Comment
  UCD128214  Aralia californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  SD7778  Arbutus menziesii M. Bioletti 1892-1 Sonoma Comment
  UCD67496  Arbutus menziesii D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville-Jimtown. Gird Creek. 350 Comment
  CAS-BOT-BC56915  Arctostaphylos Walter Knight; Irja Knight 1968-1-1 2267 Sonoma Geysers Resort Comment
  CHSC69210  Arctostaphylos James D. Jokerst 1989-4-14 3096 Sonoma Healdsburg Area A Specific Plan Study, outside project area. Comment
  RSA629218  Arctostaphylos Jon E. Keeley 1993-9-11 24785 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC535027  Arctostaphylos H. F. Copeland 1932-3-18 A 4 Sonoma n Santa Rosa; Rincon Ridge Comment
  CAS-BOT-BC25325  Arctostaphylos bakeri J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-4 4101 Sonoma Originally collected from near Occidental Comment
  HSC7753  Arctostaphylos bakeri Freed W. Hoffman Apr 1948 2753 Sonoma Dutch Bill Creek near Camp Meeker Comment
  UC1120872  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1557 Sonoma 2 mi nne Occidental; Sebastopol Quadrangle Comment
  UC1120880  Arctostaphylos bakeri A. E. Wieslander 1938-10-29 828 Sonoma Occidental Sebastopol Quadrangle Comment
  UCD170265  Arctostaphylos bakeri S. J. Seybold; M. A. Siefker 2017-11-14 s.n. Sonoma Vadasz Vineyards, 18070 Carriger Road. Located behind main house on property. 64 Comment
  CDA38595  Arctostaphylos bakeri Jim Jokerst, Virginia Getz 1988-3-16 3049 Sonoma Healdsburg near water reservoir across highway from Simi Winery. 0 Comment
  JEPS79448  Arctostaphylos bakeri subsp. bakeri Edward Lee with W. A. Setchell 1936-6-7 2190 Sonoma Bohemian Grove , South ridge fire trail (South ridge fire trail) Comment
  CDA42379  Arctostaphylos canescens D. G. Kelch, D. A. Weinstein 2013-1-5 13 .001 Sonoma 3 km east of Sonoma; On ridge between Lovall Valley and Castle Rds. Comment
  CAS-BOT-BC23884  Arctostaphylos canescens subsp. sonomensis R. F. Hoover 1963-1-12 8549 Sonoma Rincon Ridge Comment
  CAS-BOT-BC23899  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1931-3-14 5759 Sonoma Rincon Ridge, near Santa Rosa Comment
  UC1120076  Arctostaphylos canescens subsp. sonomensis A. E. Wieslander 1939-3-18 876 Sonoma s edge Rincon Hills; Santa Rosa Quadrangle 121 Comment
  UC1309673  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1577 Sonoma 3/4 mi se County Farm; Santa Rosa Quadrangle, Ricon Ridge 152 Comment
  RSA202104  Arctostaphylos canescens var. candidissima Freed W. Hoffman 1948-5-10 2677 Sonoma East face Cobb Mt. 1220 Comment
  UC549700  Arctostaphylos columbiana J. E. Adams 1934-3-28 732 Sonoma seven mi n Fort Ross Comment
  CAS-BOT-BC24981  Arctostaphylos densiflora Catherine Best 1986-2-9 1162 Sonoma On Stoetz Lane about 3 miles NE of Occidental. Comment
  CAS-BOT-BC25020  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. Comment
  CAS-BOT-BC25023  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5778 Sonoma Vine Hill District, 10 miles W of Santa Rosa. Comment
  UC1120151  Arctostaphylos densiflora A. E. Wieslander 1938-10-29 829 Sonoma Vine Hill Sebastapol Quadrangle Comment
  UC1614285  Arctostaphylos densiflora Charles M. Belshaw 1936-3-7 1568 Sonoma just e of Trenton (Forest Hill Road, turn off to Vine Hill School); Forest Hill Road Comment
  CAS-BOT-BC23282  Arctostaphylos glandulosa subsp. cushingiana Alice Eastwood 1918-5-1 6865 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC23288  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1933-4-2 10941 Sonoma Rincon Ridge near Santa Rosa Comment
  UCD160019  Arctostaphylos glandulosa subsp. cushingiana James A. Neilson Jr. 1975-1-24 3159 Sonoma Mayacmas Mountains; Dominichelli Ranch # 1. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  CAS-BOT-BC24720  Arctostaphylos glandulosa subsp. glandulosa J. Clausen 1933-3-25 726 Sonoma About 4 mi. e. of Warfield along the road to Oakville. 213 Comment
  CAS-BOT-BC46150  Arctostaphylos glandulosa subsp. glandulosa James McMurphy 1909-5-29 s.n Sonoma Grade, ridge south of the Geysers Comment
  JEPS18143  Arctostaphylos glandulosa subsp. glandulosa Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5665 Sonoma near Layton Chromite Mine (headwaters of creek); Big Austin Creek, vicinity of The Cedars 266 Comment
  UC727007  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller 1942-3-15 16390 Sonoma ne Santa Rosa (top of ridge); Rincon Ridge Comment
  CAS-BOT-BC24717  Arctostaphylos glandulosa subsp. glandulosa Roger Raiche 1985-9-30 50905 Sonoma Santa Rosa, near end of Parker Hill Road. 243 Comment
  RSA631194  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24735 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC39108  Arctostaphylos hispidula Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5172 Sonoma South-facing slope of ridge barrens south of Mt. Tom. 5.1 miles west on Kelly Road from Rockpile Road junction. 609 Comment
  SEINET11993016  Arctostaphylos hispidula W. Knight, Knight, I.; Edwards, S. W. 1985-1 5172 Sonoma S of Mt. Tom, 5.1 mi W of Kelly Road from Rockpile Road junction 610 Comment
  UCD59406  Arctostaphylos hispidula Roger Raiche 1984-1-14 RR 40018 Sonoma Kelly Road (about 5.3 miles northwest from its intersection with Rockpile Road). About 1/4 mile off road between Sonoma Lake and Anapolis 518 Comment
  RSA633052  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27486 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  RSA633064  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24710 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 Comment
  SEINET2028701 Image available Arctostaphylos manzanita H. F. Copeland 1933-3-18 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa Comment
  UCD160759  Arctostaphylos manzanita James A. Neilson Jr.; Teresa A. Sholars 1974-6-6 3258 Sonoma Mayacmas Mountains, ca. 3.5 miles west of Glenbrook and Bottle Rock Road., vicinity of Caldwell Pines. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD160866  Arctostaphylos manzanita James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3304 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD59188  Arctostaphylos manzanita P. V. Wells; W. and I. Knight 1986-1-10 5223 Sonoma Next to Carlton Spridgeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa. In well-developed residential area. Farthest south in a distribution which goes northward to Leggett in Mendocino County and westward to Navarro in the same county. Comment
  HSC7652  Arctostaphylos manzanita R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1328 Sonoma ca. 1 mi. NW of the Big Geysers, along road Comment
  SEINET11990961  Arctostaphylos manzanita Unknown 1983-1 30499 D Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990993  Arctostaphylos manzanita R. Raiche, Edwards, S. W. 1983-1 101 Sonoma The Cedars, E of ridge on Twitchell property near Cazadero 274 Comment
  RSA21886  Arctostaphylos manzanita subsp. bakeri Alice Eastwood, John Thomas Howell 1939-4-2 7376 Sonoma Near Camp Meeker on road to Monte Rio Comment
  CAS-BOT-BC38651  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-4-2 10949 Sonoma 8 miles west of Santa Rosa Comment
  CAS-BOT-BC38746  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1932-3-12 5762 Sonoma Hillsides between Franz Valley and Knights Valley Comment
  RSA70838  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  SBBG60026  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma residence of M.S. Baker, at W base of Mt Hood Comment
  UC1094000  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-3-21 55033 Sonoma 2 mi ne Santa Rosa; Rincon Ridge 152 Comment
  CAS-BOT-BC47334  Arctostaphylos stanfordiana Alice Eastwood 1915-6-5 4558 Sonoma Petrified Forest. Comment
  CAS-BOT-BC47346  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-12-27 471 Sonoma Pine Flat Rd., Circle S Ranch. Comment
  UC1084352  Arctostaphylos stanfordiana G. Thomas Robbins 1937-3-25 8 Sonoma 8-10 mi e Santa Rosa (n-facing slope of canyon); Santa Rosa Creek Canyon Comment
  UC1784231  Arctostaphylos stanfordiana Ethel Crum 1930-3-23 540 Sonoma Mt. St. Helena Comment
  UC424812  Arctostaphylos stanfordiana Milo S. Baker 1930-2-21 3878 a Sonoma Rincon Ridge Comment
  UC1520696  Arctostaphylos stanfordiana subsp. decumbens R. Raiche 1985-2-3 50041 Sonoma unnamed ridge on w side Dry Creek Valley (n of Crane Creek and s of Bradford Mt.) 182 Comment
  UCD51008  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1982-4-10 20301 C Sonoma King Ridge Rd. (4.5 mi. n. of jct. with Ft. Ross Rd.) about .7 mi. in from King Ridge Rd. on Old Layton Mine Rd. On topo map area is called ' Red Slide', north of Cazadero in Sonoma County. Comment
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Oct 17 2013
  POM209919  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 6 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  RSA96695  Arctostaphylos stanfordiana subsp. stanfordiana P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20376 Sonoma 4 mi. s.w. of Lake-Sonoma Co. line, n.w. to w. slope Mt. St. Helena. 640 Comment
  UC549532  Arctostaphylos uva-ursi J. E. Adams 1934-6-9 823 Sonoma s McNamees Store Comment
  HSC7746  Arctostaphylos viscida S. N. Wiemeyer 1962-1-28 3 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC47468  Arctostaphylos viscida subsp. viscida Stephen W. Edwards 1982-5-30 s.n. Sonoma The Cedars Ridge, north of Cazadero, northwest of King Ridge Road at source of Big Austin Creek. Comment
  CAS-BOT-BC47462  Arctostaphylos viscida subsp. viscida Irja Knight; Walter Knight 1964-1-26 822 Sonoma Ca 1 m. high. Foote's Ravine north end Knight's Valley. 1 mi W. Ida Clayton Rd. Comment
  CDA20097  Arctotheca prostrata G. Bjork 2003-3-24 PDR 1279789 Sonoma North Coast Ranges; at 4052 Hessel Rd, Sebastopol. 0 Comment
  POM165727  Aristolochia californica A. A. Heller, H. E. Brown 1902-3-12 s.n. Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  RSA534491  Aristolochia californica Peter Rubtzoff 1987-3-15 9756 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Off Summerhome Park Road 0.2 mi. from (west of) Forest Hills Road (same station as #9735). Comment
  CAS-BOT-BC400482  Aristolochia californica Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano. (Southwest of Guernewood Park, across the river from Vacation Beach, acc. to map.) [Locality info from collection label and annotation label combined.] Comment
  UCR11341  Armeria maritima L. L. Williams 1971-5-13 s.n. Sonoma Near Stewarts Point AT jct of only paved road going inland in immediate area of about 5 mi Hwy 1 34 Comment
  UCR255653  Arnica discoidea Greg de Nevers 1997-4-24 10956 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC82564  Arnica discoidea W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5451 Sonoma Cherry Creek Road W of Cloverdale Comment
  CAS-BOT-BC173847  Artemisia Peter Rubtzoff 1951-9-3 731 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC90493  Artemisia douglasiana Peter Rubtzoff 1951-9-2 699 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC90490  Artemisia douglasiana Mary P. Wells 1982-8-21 s.n. Sonoma Gerstle Cove, Salt Point State Park Comment
  CAS-BOT-BC90497  Artemisia douglasiana Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5856 Sonoma Llano Road near sewage disposal plant at edge of Laguna de Santa Rosa 45 Comment
  RSA94406  Artemisia douglasiana F. W. Peirson 1925-8-8 6342 Sonoma Roadside 6 miles south of Santa Rosa Comment
  UCSB17230  Artemisia pycnocephala Breedlove, Dennis 1961-12-31 Sonoma At mouth of Russian River 3 Comment
  UCD56044  Arundinaria J. Alexander 1921-11-1 s.n. Sonoma Healdsburg. Comment
  CAS-BOT-BC400602  Asarum caudatum Peter Rubtzoff 1955-5-14 1850 Sonoma Duncans Mills Marsh Comment
  UC543764  Asarum caudatum Herbert L. Mason 1926-3-21 2778 Sonoma Middleton Road - Mt. St Helena; Lake Co. Comment
  UCSB3798  Asarum caudatum Keator, Glenn 1959-4-1 Sonoma Abandoned picnic grounds, 1 mile southeast of northern city limits of Camp Meeker Comment
  UC1195651  Asclepias solanoana A. R. Kruckeberg 1949-6-4 1762 Sonoma ca 4 mi above Pine Flat (sw of Cobb Mtn.) Comment
  CAS-BOT-BC164697  Asteraceae Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC376426  Asteraceae Greg de Nevers 1995-5-9 10725 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In quarry by Ward House. 400 Comment
  UC1300849  Astragalus breweri Helen K. Sharsmith 1963-5-25 5486 a Sonoma Occidental grade near Occidental (San Francisco Bay Region); , near Occidental 152 Comment
  RSA108729  Astragalus claranus R. C. Barneby 1954-4-30 11238 Sonoma 7 miles NE of Santa Rosa, near Alpine School 152 Comment
  OBI49330  Astragalus gambelianus Michener & Bioletti, Bioletti June1893 s.n. Sonoma Sonoma, Hood's Peak Comment
  CAS-BOT-BC66150  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1952-5-31 1119 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66153  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66157  Athyrium filix-femina var. cyclosorum John H. Thomas 1976-6-16 18291 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  RSA0018576  Atriplex Peter Rubtzoff 1958-9-20 3990 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UCD97269  Atriplex californica P. G. Connors 1991-6-19 166 Sonoma Bodega Head and Dunes. Comment
  UCR248352  Atriplex prostrata Peter Rubtzoff 1958-9-20 3996 Sonoma Laguna de Santa Rosa, northeast of Gratton (0.5 mi. north of Guerneville Road) 27 Comment
  UCSC000219  Atriplex prostrata E. L. Greene 1888-9-1 s.n. Sonoma Petaluma Comment
  UC7080  Atriplex triangularis Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  UC1925873  Atriplex triangularis Ethel Crum 1930-10-5 871 Sonoma Petaluma Marshes, Sonoma County to Rio Vista, Solano County. Comment
  CAS-BOT-BC146136  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek. Comment
  CAS-BOT-BC145721  Avena fatua G. DeNevers 1981-4-23 793 Sonoma Pepperwood Ranch. Pippindale Farm. Comment
  CAS-BOT-BC68344  Azolla filiculoides Peter Rubtzoff 1960-5-29 4424 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC154143  Baccharis douglasii Peter Rubtzoff 1955-9-24 2147 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC98798  Baccharis douglasii Peter Rubtzoff 1951-8-4 581 Sonoma Pitkin Marsh, near Forestville - south of the Upper Marsh Comment
  JEPS81900  Baccharis glutinosa Roger Raiche 1982-8-22 20701 Sonoma canyon running through Vine Hill Vine Hill 213 Comment
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Oct 17 2013
  CAS-BOT-BC99590  Baccharis pilularis Carl B. Wolf; E. R. Johnson 1934-10-13 6182 Sonoma 2 4/10 mi. no. of mouth of Russian River 60 Comment
  CAS-BOT-BC99593  Baccharis pilularis Peter Rubtzoff 1951-11-24 846 Sonoma open area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville Comment
  UC527411  Baccharis pilularis Carl B. Wolf and E. R. Johnson 1934-10-13 Sonoma 2 4/10 mi n of mouth of Russian River 60 Comment
  CAS-BOT-BC99597  Baccharis pilularis Walter Knight; Irja Knight 1963-10-3 502 Sonoma Grange Rd 1/2 mi above Grange hall Comment
  SEINET8734646 Image available Baeria uliginosa Lewis S. Rose 1933-1 33156 Sonoma BODEGA BAY Comment
  CAS-BOT-BC173600  Barbarea Peter Rubtzoff 1989-3-13 9982 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC173609  Barbarea Peter Rubtzoff 1989-3-13 9981 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  UCD163790  Barbarea Peter Rubtzoff 1989-3-13 9982 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  UCD114264  Barbarea orthoceras Frederica Bowcutt; Kate Mawdsley 1996-3-24 2068 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air miles S of Red Mtn, just S of Sonoma Creek. 365 Comment
  CAS-BOT-BC145827  Beckmannia syzigachne Peter Rubtzoff 1960-6-25 4513 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville roads. Comment
  UC535120  Beckmannia syzigachne Mrs. H. P. Bracelin 1930-7-27 20 Sonoma 1 mi n Fort Ross Comment
  UC573778  Beckmannia syzigachne H. S. Yates 1936-5-16 5620 Sonoma near Grass Valley School; Sebastopol Quadrangle Comment
  UCD56776  Beckmannia syzigachne G. F. Hrusa; R. Gross 1996-6-30 13060 Sonoma 2 mi. SW of Calistoga. Diamond Mountain Road. 700 Comment
  CDA43436  Bellardia trixago Stephanie Larson 2015-7-21 PDR# 49 UP06191162 Sonoma Near Highway 37. 0 Comment
  CAS-BOT-BC106391  Bellis perennis Walter Knight; Irja Knight 1964-2-27 566 Sonoma Ca. 1 mi. N. Stewarts Point on coastal bluffs in grassland Comment
  UC72742  Berberis nervosa Milo S. Baker 1898-4-5 761 Sonoma near Stewart's Point Comment
  RSA0015634  Bidens frondosa Peter Rubtzoff 1958-9-20 3995 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  RSA0019008  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  UC1211922  Blennosperma nanum var. nanum John H. Weiler 1961-2-17 615 Sonoma 3.4 mi n of, along State Highway 12 Agua Caliente Comment
  CAS-BOT-BC105960  Blennosperma nanum var. nanum Milo S. Baker 1946-4-21 11355 Sonoma Santa Rosa - Sonma Hwy near old Dunbar School house Comment
  JEPS35789  Blennosperma nanum var. nanum Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8930 Sonoma .3 mi s, near Stewart Creek crossing northern end of Arnold Drive; Glenn Ellen 97 Comment
  CAS-BOT-BC15952  Boechera breweri subsp. breweri A. A. Heller; H. E. Brown 1902-3-31 5190 Sonoma Mount Hood. Comment
  CAS-BOT-BC75494  Bolboschoenus maritimus subsp. paludosus Walter Knight; Irja Knight 1984-8-26 5426 Sonoma Willow Creek Road. 60 Comment
  UCD102604  Boykinia occidentalis K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC145444  Brachypodium distachyon G. DeNevers 1981-5-15 1188 Sonoma Pepperwood Ranch. On the ridge above Hansel's Lake, in a roadcut. Comment
  CAS-BOT-BC145449  Brachypodium distachyon Mary P. Wells 1984-5-5 329 Sonoma Santa Rosa. Friends House, Rincon Valley. Comment
  UCD57095  Brachypodium distachyon Frederica Bowcutt 1996-5-23 2151 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Lower Bald Mountain Trail. 472 Comment
  CAS-BOT-BC376301  Brassicaceae Greg de Nevers 1989-2-1 9035 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murry. 400 Comment
  CAS-BOT-BC100476  Brickellia californica Greg de Nevers 1987-7-10 8232 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd., Santa Rosa, along Franz Creek 400 Comment
  RSA126876  Briza maxima H. S. Yates 1936-5-16 5606 Sonoma 1 mile S.E. of Forestville 30 Comment
  RSA143953  Briza maxima Roxana S. Ferris, Laura Lorraine 1961-6-14 13530 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  SEINET4182957 Image available Briza maxima Robert F. Hoover 1941-5-14 5102 Sonoma Hills north of Bodega. Comment
  UCD57129  Briza maxima R. Tofsrud 1948-5-1 s.n. Sonoma Cloverdale. Comment
  UCD57147  Briza maxima C. Wistrom 1996-5-26 35 Sonoma Healdsburg. 1601 Dry Creek Road. 48 Comment
  UCR218634  Briza maxima George K. Helmkamp, E. A. Helmkamp 2010-6-4 16204 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  CAS-BOT-BC145485  Briza maxima David L. Morgan 1956-5-23 s.n. Sonoma Hill Road, 2 miles southwest of junction with Highway #1. Comment
  SEINET11689512  Briza maxima F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -265 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  POM204989  Briza minor Michiner, Bioletti 1893-06 s.n. Sonoma Kenwood Comment
  UC1130933  Briza minor H. S. Yates 1934-4-21 Sonoma near Duncan Mills; Duncan Mills Quadrangle Comment
  UC76949  Briza minor Michener and Bioletti June, 1893 Sonoma Kenwood Comment
  UCD57415  Briza minor Gerry North 1993-4 42 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. South of Hillside Trail, at fork by water tank. 426 Comment
  SEINET3921398  Briza minor A. A. Heller 1902-6-7 5649 Sonoma Bennett Valley, S.E. of Santa Rosa.; 0 Comment
  JEPS79161  Brodiaea appendiculata Nancy Harrison 1980-5-16 2125 Sonoma directly s. of vineyard and Piner Elementary School (Piner and Fulton roads are north, west Santa Rosa); west Santa Rosa Comment
  CAS-BOT-BC368059  Brodiaea californica Greg de Nevers 1998-5-20 11256 Sonoma Mark West Creek on Cresta Ranch Comment
  JEPS7642  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-23 7660 Sonoma Petrified Forest Comment
  UCD161243  Brodiaea elegans subsp. elegans James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3707 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC484390  Brodiaea elegans subsp. elegans Peter Rubtzoff; H. A. Froebe 1971-5-30 6461 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road 0.9 miles west of Arnold Drive Comment
  CAS-BOT-BC484394  Brodiaea elegans subsp. elegans Peter Rubtzoff 1969-6-15 6086 Sonoma Laguna de Santa Rosa 1 mile east/southeast of Sebastopol Comment
  CAS-BOT-BC484399  Brodiaea elegans subsp. elegans Peter Rubtzoff 1969-6-15 6087 Sonoma Laguna de Santa Rosa 1 mile east/southeast of Sebastopol Comment
  SEINET10534094  Brodiaea laxa John Thomas Howell 1931-6-15 Howell 6689 Sonoma Near Sebastopol, California Comment
  JEPS5696  Brodiaea leptandra W. L. Jepson 1918-6-21 7621 Sonoma Calhoun Ranch Windsor 30 Comment
  SEINET12049826  Brodiaea stellaris F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -237 Sonoma end of Stoetz Road 200 Comment
  JEPS109575  Brodiaea terrestris subsp. terrestris Dean W. Taylor 1994-5-4 14210 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  CAS-BOT-BC487730  Brodiaea terrestris subsp. terrestris John Thomas Howell 1945-5-30 20904 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC311812  Bromus Peter Rubtzoff 1964-6-24 5376 Sonoma Coleman Marsh. Comment
  UCD58259  Bromus carinatus Collector unknown 1941-6-1 Sonoma Garden in Santa Rosa. Comment
  CAS-BOT-BC149051  Bromus carinatus var. carinatus Peter Rubtzoff 1952-5-31 1100 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  UC1024772  Bromus carinatus var. carinatus Leo Whitney 1935-4-13 2256 b Sonoma Santa Rosa Comment
  CAS-BOT-BC155896  Bromus catharticus var. elatus David L. Morgan 1956-4-24 s.n. Sonoma On State Highway #12, 1 mile east of Schellville Railroad Station. Comment
  UCD58485  Bromus commutatus Freed W. Hoffman 1942-6-20 2135 Sonoma North Coast Ranges. Near Guerneville. Comment
  CAS-BOT-BC155659  Bromus diandrus G. DeNevers 1981-4-20 748 Sonoma Pepperwood Ranch. Top of Horse Hill. Pippindale farm. Comment
  CAS-BOT-BC155668  Bromus diandrus Peter H. Raven 1950-4-6 1577 Sonoma Cotati to Santa Rosa. 45 Comment
  CAS-BOT-BC155204  Bromus hordeaceus Peter Rubtzoff 1958-5-10 3640 Sonoma Laguna de Santa Rosa east of Cunningham (Near Llano Road). Comment
  CAS-BOT-BC155209  Bromus hordeaceus A. A. Heller 1902-4-17 5325 Sonoma Santa Rosa. Comment
  UCD58826  Bromus hordeaceus Beecher Crampton 1957-7-11 4304 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  SEINET11690144  Bromus hordeaceus J. T. Howell, Knight, W.; Knight, I. 21 May 198? 6227 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC162395  Bromus laevipes G. DeNevers 1981-5-15 1183 Sonoma Pepperwood Ranch. In first big left hand Canyon off north arm of Garrison Canyon. Comment
  JEPS27963  Bromus laevipes Rimo Bacigalupi and L. Heckard 1961-6-9 7744 Sonoma about 3/4 mi nw of Occidental School (along Stoetz Lane about 1/2 mi nw of its junction with Harrison Grade Road, at head of North Fork of Lancel Creek); Stoetz Lane, North Fork Lancel Creek 222 Comment
  SBBG22698  Bromus laevipes M. S. Walters 1960-6-12 Sonoma vicinity of Monte Rio on St Hwy 12 Comment
  UCD58924  Bromus laevipes B. Crampton 1955-6-8 2826 Sonoma 7 miles northwest of Calistoga. Along State Hwy. 128. Comment
  UCD58934  Bromus laevipes David L. Morgan 1956-6-9 s.n. Sonoma Crane Canyon, on Bennett Valley Rd. 1 mile E of Petaluma Hill Rd. Comment
  JEPS128348  Bromus madritensis subsp. rubens Roger Raiche 2000-4-8 029 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD160851  Bromus madritensis subsp. rubens James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3284 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  HSC101106  Bromus pseudolaevipes Peter Warner 2011-6-14 212 Sonoma E of Sonoma; Two Terriers Vineyards, 2320 Loval Valley Road; along Arroyo Seco (creek) 102 Comment
  CAS-BOT-BC161703  Bromus rubens A. A. Heller 1902-4-4 5216 Sonoma Hills near Santa Rosa. Comment
  CAS-BOT-BC161585  Bromus sterilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53965 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  UC604140  Cakile maritima Baker 1938-5-6 8978 Sonoma at mouth of Salmon Creek Salmon Creek Comment
  UC855700  Cakile maritima Milo S. Baker 1938-5-6 8978 Sonoma near Sea Cliff n of Salmon Creek Comment
  UCSC000307  Cakile maritima H. S. Yates 1936-5-17 5630 Sonoma 2 miles N. of Bodega Bay - Duncan Mills 3 Comment
  CAS-BOT-BC36914  Cakile maritima var. maritima Mrs. H. C. Cantelow 1940-4-20 2994 Sonoma North of Bay near mouth of Salmon Creek. Comment
  CAS-BOT-BC185404  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma State Highway 1, 8.7 miles south of Stewart's Point. Comment
  CAS-BOT-BC185409  Calamagrostis bolanderi Mary P. Wells 1983-8-3 155 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  CAS-BOT-BC185302  Calamagrostis koelerioides Roxana S. Ferris; Laura Lorraine 1961-6-15 13563 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road. Comment
  CAS-BOT-BC352235  Calamagrostis neglecta var. inexpansa Peter Rubtzoff 1966-5-29 5741 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD57505  Calamagrostis nutkaensis P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar Ranch. Comment
  UCR19364  Calamagrostis nutkaensis John C. Roos 1950-7-22 4869 Sonoma North Coast, Jenner, slopes above sea bluffs 61 Comment
  CAS-BOT-BC185131  Calamagrostis nutkaensis Mary P. Wells 1982-8-21 128 Sonoma South Gerstle Cove, Salt Point State Park. Comment
  SD56676  Calamagrostis nutkaensis D. F. Howe 1953-7-3 3582 Sonoma 19 miles north of junction with #12 on #1 Comment
  UCD57738  Calamagrostis rubescens R. Tofsrud 1951-6-1 s.n. Sonoma north of Sonoma, 'Top-O-The-World' Road, near Bay Area Lookout. Comment
  CAS-BOT-BC166776  Calandrinia Peter Rubtzoff 1974-5-11 7396 Sonoma Laguna de Santa Rosa ca. 1 mile ESE of Sebastopol. Comment
  UCR255656  Calandrinia breweri Greg de Nevers 1997-4-12 10930 Sonoma Santa Rosa, Pepperwood Ranch, 3450 Franz Valley Road 400 Comment
  CAS-BOT-BC438606  Calandrinia ciliata Peter Rubtzoff 1952-5-10 1026 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  POM273085  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma JOrchards and fields just east of Sonoma. Comment
  SEINET9288286  Calendula arvensis Unknown 2000-3-6 20969 Sonoma Sonoma Comment
  CAS-BOT-BC273238  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma Along overflow channel West of Sonoma Cr. a mile or so south of El Verano Comment
  SEINET11845325  Calendula arvensis W. Knight, Knight, I. 1990-1 6576 Sonoma 1.2 mi S of Warm Springs Rd (Kenwood) Comment
  CAS-BOT-BC290681  Callitriche heterophylla Peter Rubtzoff 1971-5-8 6450 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC293674  Callitriche heterophylla Peter Rubtzoff 1974-4-6 7355 Sonoma Along Lawndale Road, 0.75 miles south of Highway 12. Comment
  JEPS128188  Calochortus amabilis Roger Raiche 2000-5-5 091 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UC119765  Calochortus amabilis Michener and Bioletti May 1893 Sonoma Los Guilicos Comment
  UC672157  Calochortus amabilis Herbert L. Mason 1934-4-28 8068 Sonoma Jensen's Ranch Dohrman Creek Comment
  UC72483  Calochortus amabilis Milo S. Baker 1898-4-23 29 Sonoma Santa Rosa Creek Canyon Comment
  UCD111677  Calochortus amabilis Christopher Mallek 2007-5-13 HC1- 8 Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC483283  Calochortus amabilis Roxana S. Ferris; Laura Lorraine 1961-6-15 13551 Sonoma Harrison Grade Road, 0.3 mile from junction with Green Valley Road Comment
  SEINET12051460  Calochortus amabilis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -249 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SEINET3884895  Calochortus amabilis James Grimes 1981-4-29 1976 Sonoma Above Highway 128 about 1.2 miles north of U.S. 101, north of Cloverdale.; 0 Comment
  UC3408  Calochortus luteus Michener and Bioletti 1893-1 Sonoma Los Guilucos Comment
  CAS-BOT-BC492640  Calochortus luteus W. L. Jepson 1918-6-23 7656 Sonoma Windsor Comment
  SEINET10859649 Image available Calochortus raichei Roger E. Raiche 1986-7-7 Raiche 60214 Sonoma N of Cazadero. The Cedars. Headwaters of Big Austin Creek, near Laton Mine. 840 Comment
  JEPS55638  Calochortus tolmiei Wayne Roderick 1967-5-13 Sonoma ca 1 rd mi n Fort Ross 22 Comment
  CAS-BOT-BC132643  Calochortus uniflorus Greg de Nevers 1996-4-18 10791 Sonoma Knights Valley, on Bavarian Lion Ranch; Knight's Valley Marsh on Bavarian Lion Ranch 137 Comment
  CAS-BOT-BC270709  Calycadenia multiglandulosa David D. Keck 1933-11-6 2648 Sonoma 2.5 miles N of Occidental Comment
  RSA135373  Calycadenia pauciflora Volney Rattan 1877-6-26 s.n. Sonoma Geysers Comment
  UC717978  Calycadenia pauciflora David D. Keck 1944-7-11 5511 Sonoma The Geysers Mayacamas Range Comment
  UC89043  Calycadenia truncata Katharine Brandegee 1892-8-1 Sonoma Petrified Forest Comment
  CAS-BOT-BC272757  Calycadenia truncata subsp. truncata John Thomas Howell 1926-10-3 2212 Sonoma Two miles from Petrified Forest on road to Calistoga Comment
  CAS-BOT-BC90987  Calycanthus occidentalis Peter Rubtzoff 1952-6-9 1189 Sonoma North slopes of Fitch Mountain, near Healdsburg. Comment
  CAS-BOT-BC91002  Calycanthus occidentalis D. E. Breedlove 1962-6-6 2905 Sonoma On State Highway 128, 4.0 miles northwest of U.S. Highway 101 at Cloverdale. 289 Comment
  CAS-BOT-BC91008  Calycanthus occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-15 13554 Sonoma Green Valley Road 0.8 mile east of junction with Harrison Grade Road. Comment
  POM194538  Calycanthus occidentalis Y. Mexia 1929-6-2 2397 Sonoma Near Santa Rosa. Comment
  RSA271933  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  UCD137933  Calycanthus occidentalis Collector Unknown Date Unknown s.n. Sonoma north-eastern part of county. Comment
  UCR45086  Calyptridium quadripetalum L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  UCD126064  Calystegia collina Erik Beever 1993-5-8 213 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Ponygate Trail at disturbed trailhead. 365 Comment
  JEPS88967  Calystegia collina subsp. collina Jack and Betty Guggolz 1988-6-13 945 Sonoma Pine Flat Road 9.2 mi from its junction with Highway 128; Comment
  JEPS87234  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-2 1268 Sonoma About 3/8 miles northeast of White Rock is about 1 3/4 miles north of Jimtown 377 Comment
  UCD125693  Calystegia purpurata subsp. purpurata Frederica Bowcutt 1994-5-1 1749 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco; about 11 air miles E of Santa Rosa; about 2.5 air miles N of Kenwood. Adobe Canyon along Goodspeed Trail about 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  UCD125696  Calystegia purpurata subsp. purpurata Frederica Bowcutt 1994-7-5 1932 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 70 ft. S of Campfire Center, N and E of campground. 381 Comment
  CAS-BOT-BC224737  Calystegia purpurata subsp. saxicola Alice Eastwood 1915-6-29 4861 Sonoma Bodega Point Comment
  UC105092  Calystegia purpurata subsp. saxicola Katharine Brandegee 1905-6-25 Sonoma Bodega Head Comment
  UC141628 Image available Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Pt., Sonoma Co. Comment
  UCD138333  Camassia quamash subsp. linearis P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCR255884  Camassia quamash subsp. quamash Greg de Nevers 1996-4-18 10790 Sonoma North Coast Range, Knights Valley Marsh, on Bavarian Lion Ranch 137 Comment
  CAS-BOT-BC266418  Campanula californica Peter Rubtzoff 1967-8-28 5864 Sonoma SE of Lower Salmon Creek Marsh Comment
  UC657708  Campanula californica Milo S. Baker 1941-8-4 10165 Sonoma Coast Hwy between Ft. Ross and Stewart's Point Comment
  CAS-BOT-BC266422  Campanula californica Carl B. Wolf 1927-9-2 1355 Sonoma 1 mile S of the Gualala RIver on Coast Road Comment
  UC29012  Campanula prenanthoides J. Burtt Davy 1896-7-22 4143 Sonoma Rusian River Comment
  UC456047  Campanula prenanthoides I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  SEINET10905924  Campanula prenanthoides Rattan 1877-6-25 RATTAN s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC37751  Cardamine californica R. H. Thompson 1880-4-1 s.n. Sonoma Healdsburg. Comment
  JEPS128337  Cardamine californica Roger Raiche 2010-2-28 008 .10 Sonoma The Cedars. Gateway parcel. Lower Russian River, Big Austin Creek watershed. Comment
  UC10434  Cardamine californica F. T. Bioletti 1894-1 Sonoma Kenwood Comment
  UCD166729  Cardamine californica Peter Rubtzoff 1962-4-18 4797 Sonoma Freestone marsh. Comment
  CAS-BOT-BC37766  Cardamine californica Walter Knight; Irja Knight 1964-2-16 806 Sonoma Sonoma Mountain Road near Enterprise Road. Comment
  JEPS53387  Cardamine californica var. integrifolia Milo S. Baker April 1899 Sonoma hill back Dillon's Beach; hills back of Dillon's Beach Comment
  CAS-BOT-BC173679  Carduus Peter Rubtzoff 1959-6-13 4141 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC282948  Carduus acanthoides Greg de Nevers 1991-9-16 9771 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road, on ridge above Bechtel house 475 Comment
  UCD85585  Carduus pycnocephalus Peta Lewis 1967-5-13 13 Sonoma ca. 2 miles east on River Road, 3 miles north of Guerneville. 22 Comment
  RSA74051  Carex Milo S. Baker 1947-6-26 11830 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  UCD161859  Carex James A. Neilson Jr. 1973-6-6 s.n. Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  CAS-BOT-BC353416  Carex abrupta Peter Rubtzoff 1959-6-6 s.n. Sonoma Willow Creek Marsh. Comment
  UCD140074  Carex amplifolia Frederica Bowcutt 1994-7-5 1934 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 30 feet, 70 ft. S of campfire center along N edge of Sonoma Creek, N and E of campground, just N of bridge to campfire center. 381 Comment
  CAS-BOT-BC18142  Carex athrostachya Peter Rubtzoff 1958-5-17 3673 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCR249039  Carex athrostachya Peter Rubtzoff 1974-6-2 7507 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC329311  Carex barbarae Peter Rubtzoff 1976-5-30 8577 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC422363  Carex barbarae Peter Rubtzoff 1958-5-4 3629 Sonoma Forestville Marsh. Comment
  UC562314  Carex barbarae Joseph P. Tracy 1935-7-7 14042 Sonoma Knights Valley 152 Comment
  UCR249353  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road) 21 Comment
  RSA143956  Carex bolanderi Roxana S. Ferris, Laura Lorraine 1961-6-14 13539 Sonoma Joy Road Grade, 1.8 miles from jct. with Bodega Hwy Comment
  CDA34811  Carex bolanderi Peter Warner 2010-7-8 171 Sonoma Jenner Headlands, along main road across property, ~ 4.1 km W 322 deg. N of Duncans Mills. Comment
  HSC100878  Carex bolanderi Peter Warner 2011-6-16 217 Sonoma Jenner Headlands property, E area, ~1.7 mi. NNW of Duncans Mills, ~250 m up 'east ridge' road from main gravel road. 294 Comment
  CAS-BOT-BC110184  Carex buxbaumii John Thomas Howell 1945-7-18 21327 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC34425  Carex cusickii John Thomas Howell; J. W. Stacey 1936-7-26 12683 Sonoma Pitkin Marsh. 5 miles north of Sebastopol. Comment
  CAS-BOT-BC18979  Carex densa John Thomas Howell 1947-6-26 23298 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC20473  Carex densa John Thomas Howell 1937-7-4 13073 Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC20477  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13019 Sonoma Sebastopol. Comment
  CAS-BOT-BC20495  Carex densa Peter Rubtzoff 1959-5-30 4064 Sonoma Sonoma County Marshes. Freestone Marsh. Comment
  CAS-BOT-BC20510  Carex densa Peter Rubtzoff 1954-6-7 1488 Sonoma Sonoma County Marshes. Guerneville Marsh. Comment
  CAS-BOT-BC20513  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Sonoma County Marshes. Guerneville Marsh. Comment
  CAS-BOT-BC242637  Carex densa Peter Rubtzoff 1958-4-26 3603 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC246547  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh Comment
  UC1133350  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi NE of Petrified Forest 304 Comment
  CAS-BOT-BC20242  Carex densa Peter Rubtzoff 1968-6-25 5901 Sonoma Lichau Marsh. Comment
  CAS-BOT-BC20517  Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Low field near Kenwood. Comment
  RSA91588  Carex densa Alice Eastwood, J. T. Howell 1936-5-19 2500 Sonoma North limits of Santa Rosa. Comment
  SEINET7556713 Image available Carex densa Unknown 1936-7-26 12665 Sonoma Occidental. Comment
  UC70636  Carex deweyana subsp. leptopoda Jos. Burtt Davy 1896-7-24 Sonoma Duncan's Mill Comment
  CAS-BOT-BC329292  Carex exsiccata Peter Rubtzoff 1954-8-2 1622 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  UCR250395  Carex exsiccata Peter Rubtzoff 1954-7-4 1535 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  SEINET10652787  Carex festiva Henry N. Bolander Bolander 3868 Sonoma Meadow on Russian River. Comment
  CAS-BOT-BC320586  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh. Comment
  UC728666  Carex globosa Milo S. Baker 1941-4-5 9925 Sonoma Calistoga-Franz Valley road 1/2 mi s School House (e a short distance on side of road) Comment
  CAS-BOT-BC28374  Carex gracilior John Thomas Howell 1930-6-8 5241 Sonoma Bodega Road, 3 mi I of Valley Ford. Comment
  UC1026416  Carex gracilior Peter Rubtzoff 1951-6-16 12246 Sonoma near Forestville (w branch of the Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC146602  Carex gynodynama Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4495 Sonoma 2 miles south of Gualala River, Sonoma coast Comment
  CAS-BOT-BC21901  Carex harfordii J. W. Congdon 1880-5-12 s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC20470  Carex harfordii Mary P. Wells 1981-4-19 s.n. Sonoma Mooraker Road part way to Crows Nest Road. The Sear Ranch. Comment
  CAS-BOT-BC22297  Carex hassei Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4496 Sonoma 2 miles south of Gualala River, Sonoma Coast. Comment
  UCR248726  Carex hendersonii Peter Rubtzoff 1966-5-16 4360 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC311813  Carex hendersonii Peter Rubtzoff 1957-5-4 3302 Sonoma Duncans Mills Marsh. Comment
  HSC7137  Carex lanuginosa J. T. Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC419696  Carex lasiocarpa Peter Rubtzoff 1962-5-11 4820 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC31177  Carex lemmonii Peter Rubtzoff 1951-6-7 140 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  RSA94271  Carex lemmonii Peter Rubtzoff 1951-6-30 297 Sonoma Pitkin Marsh, near Forestville; western branch of the Upper Marsh Comment
  UCD112455  Carex leporina Peter Rubtzoff 1962-5-25 4845 Sonoma Atascadero Creek Marsh. Comment
  UCR249077  Carex leptopoda Peter Rubtzoff 1960-6-7 4459 Sonoma Austin Creek Marsh 15 Comment
  JEPS63674  Carex nudata R. Kuhn 1913-4-18 Sonoma Sonoma Comment
  UC1508  Carex nudata H. N. Bolander Apr 1864 3812 Sonoma Mark West Creek Comment
  SEINET7569416 Image available Carex nudata John Thomas Howell 1933-4-2 10931 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC328119  Carex obnupta Peter Rubtzoff 1970-10-3 6413 Sonoma Marsh off the west side of Hwy. 1, 0.7 miles southeast of Salmong Creek. Comment
  UC1042356  Carex ovalis Peter Rubtzoff 1951-6-16 232 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh Comment
  RSA0022359  Carex pachystachya Peter Rubtzoff 1964-5-20 5316 Sonoma Brooks Gulch Marsh. Comment
  POM230033  Carex pellita J. T. Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  UCR248723  Carex pellita Peter Rubtzoff 1962-5-11 4820 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  RSA52171  Carex praegracilis J. T. Howell 1947-6-26 23295 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC312706  Carex rostrata Peter Rubtzoff 1971-7-20 s.n. Sonoma Pitkin Marsh. Comment
  UC846  Carex subbracteata H. N. Bolander April 1864 3868 Sonoma Russian River Comment
  CAS-BOT-BC116781  Carex subbracteata var. subbracteata John Thomas Howell 1938-7-3 13949 Sonoma Stony Point Comment
  CAS-BOT-BC116786  Carex subbracteata var. subbracteata Peter Rubtzoff s.n. Sonoma Pitkin Marsh, near Forestville. Eastern branch of the upper marsh. Comment
  CAS-BOT-BC115527  Carex tumulicola A. A. Heller 1902-4-17 5324 Sonoma Santa Rosa Comment
  UCD19304  Carpobrotus edulis Terry Reedy 1974-5-11 204 Sonoma Bodega Head, between road and freshwater marsh. 3 Comment
  CDA33583  Carthamus lanatus Robin Breckenridge & Andrew Smith 2010-7-21 PDR# 1313484 Sonoma Calistoga: La Franchi Ranch, Highway 128. 0 Comment
  CAS-BOT-BC30023  Castanea Peter Rubtzoff 1954-8-12 1701 Sonoma Vacation Beach, near Guerneville. Forested hii slope above road east of Vacation Beach Comment
  CAS-BOT-BC257350  Castilleja Peter Rubtzoff; Nancy Harrison 1978-5-20 9189 Sonoma Cunningham Marsh area, north side of Blucher Creek Valley. Comment
  SEINET7067335  Castilleja affinis A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles East of Windsor on Mendocino Avenue. Coordinate datum: NAD27. UTM Zone 10, 523728mE, 4258330mN. Comment
  JEPS66550  Castilleja ambigua subsp. ambigua Peter Rubtzoff 1971-8-9 6627 Sonoma Laguna Chileno Valley Comment
  UC726108  Castilleja ambigua subsp. ambigua A. A. Heller 1940-6-12 15722 Sonoma w of Two Rocks Comment
  RSA516604  Castilleja applegatei subsp. martinii R. C. Bacigalupi, G. Thomas Robbins, Freed W. Hoffman 1956-5-30 5667 Sonoma Headwaters of Big Austin Creek, vicinity of 'The Cedars', near Layton Chromite mine. 267 Comment
  UCD151183  Castilleja attenuata James A. Neilson Jr. 1974-4-16 2873 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  SEINET7067295  Castilleja densiflora A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor near the Russian River. Coordinate datum: NAD27. UTM Zone 10, 512347mE, 4272854mN. Comment
  UCD161868  Castilleja foliolosa James A. Neilson Jr. 1981-3-13 3999 Sonoma Mayacmas Mountains; Hummingbird Creek. (Coordinates, location, and elevation estimated by label maker.) Comment
  CAS-BOT-BC243847  Castilleja latifolia L. Beane; Lois E. James 1949-5-11 2068 Sonoma Between Fort Ross and Jenner Comment
  JEPS15179  Castilleja rubicundula subsp. lithospermoides H. S. Yates 1934-4-22 3840 Sonoma near Burke; Calistoga Quad. 60 Comment
  SEINET7067225  Castilleja rubicundula subsp. lithospermoides A. G. Vestal 1947-5-12 s.n. Sonoma About 1 mile east of Occidental on the Occidental Road. Coordinate datum: NAD27. Comment
  UC336301  Castilleja rubicundula subsp. lithospermoides unknown 579 Sonoma Sonoma Valley Comment
  JEPS27975  Castilleja subinclusa subsp. franciscana Rimo Bacigalupi, and L. Heckard 1961-6-9 7734 Sonoma 1.75 mi sw Occidental (at junction of Joy Road and Bittner road) 249 Comment
  JEPS35570  Castilleja subinclusa subsp. franciscana L. R. Heckard 1964-6-12 1384 Sonoma about 2.5 mi n mouth of Russian River (slope back from the ocean in Russian Gulch, near point where highway loops back w); Russian Gulch 91 Comment
  JEPS60450  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1969-6-29 6688 Sonoma 1.8 mi se Bodega Bay (on Highway 1) Comment
  UC444863  Castilleja subinclusa subsp. franciscana Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC241091  Castilleja uliginosa Peter Rubtzoff; L. R. Heckard 1971-6-10 6534 Sonoma Pitkin Marsh, near Forestville. Near the southern end of the upper part of the marsh Comment
  JEPS19386  Castilleja uliginosa G. Thomas Robbins 1937-6-5 218 Sonoma about 10 mi w Santa Rosa (marsh on Pitkin Ranch); Vine Hill Region Comment
  JEPS60455  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-29 6693 Sonoma 3.9 mi n Jenner (on Highway 1) Comment
  POM180772  Castilleja wightii J. T. Howell 1930-7-27 5412 Sonoma Exposed ocean bluff, 4 miles N of Bodega Bay. Comment
  CAS-BOT-BC195605  Catapodium rigidum G. DeNevers 1981-7-19 1761 Sonoma Garrison yard Comment
  CAS-BOT-BC361351  Caulanthus lasiophyllus Greg de Nevers 1997-4-24 10959 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC39437  Caulanthus lasiophyllus Greg de Nevers 1993-4-27 10408 Sonoma Pepperwood Ranch Natural Reserve. 3450 Franz Valley Road. Along Mark West Springs Road. 457 Comment
  UC1614461  Ceanothus Charles M. Belshaw 1936-3-8 1583 Sonoma 3/4 mi. n. Annadel (n.w. of Kenwood); Inner North Coast Range Comment
  CAS-BOT-BC32771  Ceanothus confusus John Thomas Howell 1937-7-4 13080 Sonoma Rincon Ridge, NE of Santa Rosa Comment
  CAS-BOT-BC48519  Ceanothus confusus John Thomas Howell 1933-4-2 10937 Sonoma Mt. Hood, Sonoma Creek Canyon Comment
  CAS-BOT-BC48521  Ceanothus confusus J. Clausen 1933-3-26 735 Sonoma Rincon Range east of Santa Rosa Comment
  OBI10272  Ceanothus confusus H. E. McMinn 1944-11-5 5449 Sonoma Olive orchard on Rincon Ridge Comment
  RSA21893  Ceanothus confusus J. T. Howell 1935-5-5 12621 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  RSA21896  Ceanothus confusus J. T. Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC727758  Ceanothus confusus Milo S. Baker 1946-2-14 11266 Sonoma Hope Valley near Chamberlain Ranch, Kenwood Region Comment
  UC728663  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma about 4 mi N of Santa Rosa (top of hill on road past County Hospital, near type locality) Comment
  UCD111364  Ceanothus confusus Roger Raiche 1985-4-6 RR 50178 Sonoma W of Healdsburg, Dry Creek area, ridge W side of Dry Creek Valley and N of Dorman Canyon (N as far as Bradford Mt.) 243 Comment
  CDA11331  Ceanothus cuneatus G. F. Hrusa 1995-4-2 12041 Sonoma North Coast Biodiversity Arena; Along Franz Valley School Rd. approx. 1.25 mile NW of Napa/Sonoma county line. Comment
  UCD158853  Ceanothus cuneatus James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2918 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  SBBG119966  Ceanothus divergens A. Howald 2007-4-2 2458 Sonoma Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 275 Comment
  UC1071289  Ceanothus divergens H. S. Yates 1934-4-21 3828 Sonoma 2 miles N of County Farm. Santa Rosa Quad. 243 Comment
  UC870541  Ceanothus divergens Milo S. Baker 1940-1-1 9588 Sonoma rd. from Calistoga towards Franz Valley (near School House) Comment
  POM203619  Ceanothus divergens subsp. confusus J. T. Howell 1933-4-2 10937 Sonoma Sonoma Creek Canyon. Comment
  RSA26414  Ceanothus foliosus J. T. Howell 1941-4-5 16174 Sonoma Rincon Ridge Comment
  UC79975  Ceanothus foliosus Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  RSA107848  Ceanothus foliosus var. vineatus L. S. Rose 1955-6-2 s.n. Sonoma Junction of Vine Hill and School Roads, 10 miles west of Santa Rosa. 46 Comment
  RSA122536  Ceanothus foliosus var. vineatus C. M. Belshaw 1936-3-7 1569 Sonoma Vine Hill. Comment
  RSA177943  Ceanothus foliosus var. vineatus Robert F. Thorne 1965-4-19 34318 Sonoma Vine Hill School Road 1/2 mile from Vine Hill Road. 76 Comment
  UC1280760  Ceanothus foliosus var. vineatus H. E. McMinn 1941-4-26 5320 Sonoma 9 mi s. Gurniville Comment
  UC727740  Ceanothus foliosus var. vineatus Milo S. Baker 1946-4-29 11355 Sonoma along College Ave. Hwy. Vine Hill Region Comment
  CAS-BOT-BC49995  Ceanothus gloriosus John Thomas Howell 1937-4-11 12898 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  RSA25701  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-17 11022 Sonoma 1 mile NW of Sebastopol along Hwy 12; 1 mile even from main corner. 30 Comment
  CAS-BOT-BC49977  Ceanothus gloriosus var. gloriosus Carl B. Wolf 1927-9-2 1341 Sonoma 2 miles South of Anchor Cove Comment
  RSA19014  Ceanothus gloriosus var. gloriosus J. T. Howell 1934-3-3 11742 Sonoma 8 miles south of Stewart's Point Comment
  CAS-BOT-BC63741  Ceanothus griseus Walter Knight; Irja Knight 1964-2-28 565 Sonoma Ca. 6 mi. n. of Stewarts Point. Comment
  UC1070747  Ceanothus incanus H. S. Yates 1934-4-21 3782 Sonoma Near Freestone 60 Comment
  UCD112175  Ceanothus incanus Collector unknown Date unknown s.n. Sonoma southeastern part of county. Comment
  UC80042  Ceanothus integerrimus Katharine Brandegee May 1890 Sonoma Geysers Comment
  UCD36545  Ceanothus integerrimus Beecher Crampton 1954-4-26 1795 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  CAS-BOT-BC50650  Ceanothus jepsonii Catherine Best 1981-4-4 s.n. Sonoma Harrison Grade Road 2 miles north of Occidental Comment
  UC1281528  Ceanothus jepsonii H. E. McMinn 1931-6-29 2566 Sonoma 5 mi n Cloverdale Comment
  UCD123963  Ceanothus jepsonii D. O. Burge and K. B. Schroeder 2008-3-7 979 c Sonoma Ridge NW of Duvoul Creek, near confluence with Dutch Bill Creek, roadside on Bohemian Highway, between Camp Meeker and Monte Rio, 7.6 road miles (12.2 km) north of intersection with SR 12, near BM 136, 2.97 km 320 deg. (True) NNW of Camp Meeker. 50 Comment
  CAS-BOT-BC51132  Ceanothus jepsonii var. albiflorus Walter Knight; Cliff Schmidt 1987-2-27 6060 Sonoma Bradford Mt. Road near Dorman Canyon, West of Healdsburg 167 Comment
  SEINET12210770  Ceanothus jepsonii var. jepsonii B. A. Stein 1981-1 448 Sonoma Summit of Harrison Grade Road, east of Occidental 244 Comment
  CAS-BOT-BC63518  Ceanothus oliganthus var. sorediatus K. Wagnon 1939-5-13 176 Sonoma Growing along w. side of Science Building on Santa Rosa Junior College Campus with stake #561. Plant came from Seaview Comment
  CAS-BOT-BC51871  Ceanothus parryi T. S. Brandegee 1889-6-1 20 Sonoma Tall House, Mt. St. Helena Comment
  UCD112489  Ceanothus parryi B. Crampton 1955-6-17 2932 Sonoma State Hwy. 12, 3.3 miles west of Forestville. Comment
  UC1193290  Ceanothus prostratus R. H. Neuns 1950-5-17 112 Sonoma 4 mi airline from the Geysers (Sonoma-Lake County line); Quad. 60B4, 4 mi from the Geysers 990 Comment
  RSA755234  Ceanothus sonomensis Dylan O. Burge 2007-4-27 DOB 897 c Sonoma Mayacmas Mts.: Hood Mt. Regional Park and Open Space Preserve, west flank of Mount Hood, on Valley View Trail, accessed via Lower Johnson Ridge Trail, Pond Trail, and Valley View Trail., (parking 1.2 road miles E of SR 12 on Pythian Road), 11 km 339 degrees true NNW of Glen Ellen. 480 Comment
  UC618361  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma Slopes of Trinity Mt. 2 miles E of Glen Ellen Comment
  UCD112702  Ceanothus sonomensis Roman Gankin 1966-3-3 690 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road, 3.1 miles east of junction with State Highway 12. Comment
  SEINET12210794  Ceanothus sonomensis W. Knight, Knight, I. 1982-1 4676 Sonoma Tilden Botanic Garden, Berkeley Comment
  CAS-BOT-BC52345  Ceanothus thyrsiflorus Mary P. Wells 1985-9-13 655 Sonoma Forest no. of juncture of Timber Ridge and Longmeadow roads, the Sea Ranch Comment
  UCD112733  Ceanothus thyrsiflorus var. griseus Mary M. Hektner 1976-5-10 251 Sonoma Along old fence on California Highway 1, Unit 35-A Owners' Map, Sea Ranch. Comment
  SD134035  Centaurea calcitrapa Greg de Nevers 1987-5-11 8176 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 99 Comment
  JEPS44152  Centaurea melitensis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Gurneville and Monte Rio Gurneville; Russian River Comment
  CAS-BOT-BC277250  Centaurea solstitialis W. D. Hamilton 1946-5-15 s.n. Sonoma Santa Rosa Comment
  UC34566  Centaurea solstitialis F. T. Bioletti 1891-9-7 Sonoma Shellville Comment
  CAS-BOT-BC277254  Centaurea solstitialis G. DeNevers 1981-6-6 1447 Sonoma Pepperwood Ranch. At the first Pepperwood entrance Comment
  SEINET12332116  Centaurium floribundum H. K. Wagnon 1988-1 1743 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Drive 73 Comment
  JEPS20839  Centaurium trichanthum Harry K. Roberts 1958-7-8 Sonoma 0.3 mi w starting at the junction of the Sebastopol and Occidental rd (toward Sebastopol, on the lower half of the borrow pit on the s side of the Sebastopol-Santa Rosa highway) Comment
  JEPS38160  Centromadia fitchii W. L. Jepson 9433 a Sonoma Alexander Valley Comment
  CAS-BOT-BC271545  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC249313  Cerastium Peter Rubtzoff 1963-6-22 s.n. Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC290705  Cerastium Peter Rubtzoff 1974-5-18 7409 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD160129  Cerastium fontanum subsp. vulgare James A. Neilson Jr. 1973-6-6 2956 Sonoma Mayacmas Mountains. The Geysers. Site IV A. (Exact location of Site IV A unknown. Elevation and coordinates estimated as near Site IV G by label maker.) 731 Comment
  CAS-BOT-BC388434  Cerastium glomeratum Alice Eastwood 1921-4-24 10382 Sonoma Santa Rosa Comment
  CAS-BOT-BC388439  Cerastium glomeratum Peter H. Raven 1954-2-27 6423 Sonoma Cavedale Road, ca. 3 miles n. of Boyes Springs, Sonoma Valley Comment
  CAS-BOT-BC400227  Ceratophyllum demersum Peter Rubtzoff 1955-8-27 2103 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC207634  Cercis occidentalis James McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain Comment
  SEINET176827  Cercocarpus betuloides John T. Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon Comment
  UC1084435  Cercocarpus betuloides var. betuloides G. Thomas Robbins 1940-3-21 293 Sonoma 5-6 mi e of Windsor (Barnes Creek along Chalk Hill Road); Barnes Creek 38 Comment
  UCD158807  Chaenactis glabriuscula var. heterocarpha James A. Neilson Jr. 1974-3-27 2941 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC279785  Chamaemelum fuscatum Thomas Nelson; James Nelson 1975-3-25 1751 Sonoma Asti Comment
  UC42411  Cheilanthes covillei F. T. Bioletti 1892-5-15 Sonoma Hood's Peak Comment
  CAS-BOT-BC178699  Chenopodiaceae Peter Rubtzoff 1976-9-25 8903 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC166903  Chenopodium Peter Rubtzoff 1973-10-10 7340 Sonoma Tributary of Americano Creek, 2 miles west of Bloomfield. Comment
  UC1563922  Chenopodium pumilio Barbara Ertter 1988-11-5 8032 Sonoma ca 5 mi due s Cloverdale (point below Little Flat parking area, Lake Sonoma, w of bridge); Lake Sonoma 152 Comment
  CAS-BOT-BC499254  Chlorogalum pomeridianum Peter Rubtzoff 1961-10-18 4773 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh Comment
  CAS-BOT-BC499259  Chlorogalum pomeridianum J. W. Congdon 1880-5-1 s.n. Sonoma unspecified Comment
  SEINET3992037  Chlorogalum pomeridianum Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15089 Sonoma In chaparral, 2 miles North of Geyserville Comment
  UCD138412  Chlorogalum pomeridianum var. divaricatum P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CDA33563  Chondrilla juncea Robin Breckenridge & Katie Filippini 2010-7-22 PDR# 1313481 Sonoma Petaluma; Hwy 116/Lakeville Rd & Hwy 101. 0 Comment
  CAS-BOT-BC376251  Chorizanthe membranacea Greg de Nevers 1995-5-2 10717 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. On south slope of rock west of High Hill 487 Comment
  JEPS86335  Chorizanthe membranacea Jack and Betty Guggolz 1988-6-13 947 Sonoma on the ne side of Pine Flat Road 7.2 mi from its junction with Highway 128 Comment
  CAS-BOT-BC30104  Chrysolepis chrysophylla Mary P. Wells; Mary Rhyne; John Madison 1985-11-4 695 Sonoma Forest 1/2 mile south of the Gualala River Comment
  UCD110112  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  CAS-BOT-BC251227  Chrysopsis Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, about 0.5 miles SW of the Russian River bridge in Hacienda. Comment
  UCR279636  Cichorium intybus Peter Rubtzoff 1966-8-25 5808 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  RSA135376  Circaea alpina subsp. pacifica Volney Rattan 1877-6-13 s.n. Sonoma Guernville Comment
  CAS-BOT-BC290695  Cirsium Peter Rubtzoff 1962-6-13 4899 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC279993  Cirsium douglasii var. douglasii Greg de Nevers 1987-7-10 8233 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  OBI16748  Cirsium douglasii var. douglasii Robert F. Hoover 1966-7-17 9914 Sonoma Sausal Crk N of Alexander Valley Comment
  CAS-BOT-BC285706  Cirsium occidentale var. occidentale Joseph Andorfer Ewan 1935-5-12 9221 Sonoma Bodega Bay road 2 mi. W. of Bodega Comment
  CAS-BOT-BC280361  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma Near Burke's Sanitarium Comment
  CDA1484  Cirsium occidentale var. venustum T. C. Fuller 1958-5-24 4004 Sonoma 1.5 mi. N of Camp Meeker. 0 Comment
  UC76033  Cirsium occidentale var. venustum Milo S. Baker 1898-6-11 658 Sonoma Little Sulphur Creek Comment
  CAS-BOT-BC280366  Cirsium occidentale var. venustum Walter Knight; Irja Knight 1967-7-24 1966 Sonoma Between Santa Rosa and St. Helena on St. Helena Road about 2 miles from Napa County line Comment
  CAS-BOT-BC280540  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  UC589641  Cirsium quercetorum F. F. Barbour 1938-4-28 Sonoma Sonoma Valley Comment
  UCD130628  Cirsium quercetorum Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 58 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC285753  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  UC91788  Cirsium remotifolium var. odontolepis K. Brandegee 1886-4-1 Sonoma Santa Rosa Comment
  POM261637  Cirsium remotifolium var. odontolepis Alice Eastwood, John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs. Comment
  UC1299441  Cirsium remotifolium var. odontolepis Freed W. Hoffman 1946-8-25 792 Sonoma near Guerneville; North Coast Ranges, Cemetery Ridge Comment
  CDA40774  Clarkia affinis S. Quick 1996-5-1 8 Sonoma Along Road 32, within 50 meters of the U.C. Reserve access road leading to Stebbins Cold Canyon Reserve. Comment
  UC1299418  Clarkia amoena Freed W. Hoffman 1947-6-4 528 Sonoma headwaters East Austin Creek; North Coast Ranges Comment
  CAS-BOT-BC161049  Clarkia amoena subsp. amoena Eliz. Parsons Hawver June 191 s.n. Sonoma Skaggs Springs Comment
  POM225182  Clarkia amoena subsp. amoena P. A. Munz 1936-8-8 14311 Sonoma Coast 5 miles north of Jenner Comment
  RSA453484  Clarkia amoena subsp. amoena E. A. Purer 1932-7-24 s.n. Sonoma Between Bodega Bay and Santa Rosa Comment
  UC1181828  Clarkia amoena subsp. huntiana H. Lewis and M. Lewis 1951-7-10 866 Sonoma 4.0 mi w Mark West Springs Comment
  UCR121480  Clarkia amoena subsp. huntiana George K. Helmkamp, E. A. Helmkamp 2000-6-18 5700 Sonoma Outer North Coast Ranges, along Calif. Hwy 128, 0.5 mi south of Mendocino Co. line 381 Comment
  OBI12140  Clarkia amoena subsp. huntiana G. Thomas Robbins 1959-5-16 4015 Sonoma Spring Mtn rd, between Califstoga Rd and Sonoma-Napa county line, Mayacamas Mt 488 Comment
  CAS-BOT-BC172223  Clarkia concinna Alice Eastwood 1915-6-5 4595 Sonoma Petrified Forest Comment
  SEINET12195099  Clarkia concinna F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -254 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SBBG4971  Clarkia gracilis H. and M. Dearing 1939-5-14 3344 Sonoma near Healdsburg Comment
  UC107859  Clarkia gracilis subsp. sonomensis Michener and Bioletti 1893-6-10 37 Sonoma Glen Ellen Comment
  RSA495968  Clarkia gracilis subsp. sonomensis L. D. Gottlieb 1987-5-29 8722 Sonoma South of Healdsburg, on Eastside Road, 0.7 mile north of Windsor River Road Comment
  CAS-BOT-BC163472  Clarkia purpurea subsp. quadrivulnera Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  SBBG4989  Clarkia purpurea subsp. quadrivulnera H. and M. Dearing 1939-5-3 3274 Sonoma Pope Valley near St Helena Comment
  CAS-BOT-BC165670  Clarkia unguiculata A. A. Heller 1902-6-24 5750 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC165674  Clarkia unguiculata Freed W. Hoffman 1947-6-4 509 Sonoma Upper reaches of East Austin Creek, Rocky Mountain Comment
  CAS-BOT-BC439321  Claytonia exigua subsp. exigua D. E. Breedlove 1983-4-11 58683 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  UC1299360  Claytonia gypsophiloides Freed W. Hoffman 1947-3-9 815 Sonoma ne of Camp Meeker; North Coast Ranges Comment
  UC754333  Claytonia gypsophiloides R. Bacigalupi 1948-3-6 2855 Sonoma 2 mi w Skaggs Springs Comment
  RSA52691  Claytonia gypsophiloides I. L. Wiggins 1949-4-30 12062 Sonoma 6.8 mi. east of Santa Rosa on road to Calistoga. Comment
  UC480640  Claytonia gypsophiloides Carl Meyer 1929-3-29 Sonoma Comment
  CAS-BOT-BC439637  Claytonia parviflora subsp. parviflora A. A. Heller; H. E. Brown 1902-3-20 5102 Sonoma Near Windsor Comment
  SEINET12092983  Clematis lasiantha I. Knight, Knight, W.; Edwards, S. Dr 1986-1 5346 Sonoma Along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  CAS-BOT-BC92748  Clematis ligusticifolia Peter Rubtzoff 1962-9-16 5087 Sonoma Vacation Beach, 1.5 mile below Guerneville. Along Russian River. Comment
  CAS-BOT-BC92755  Clematis ligusticifolia L. R. Abrams 1916-7-4 5796 Sonoma Road between Petrified Forest and Mark West. Comment
  CDA11954  Clintonia andrewsiana G. F. Hrusa 1990-6-5 8111 Sonoma North Coast Biodiversity Arena; on Stewart's Point Rd., near Wheatfield Fk. Gualala R. crossing, approx. 3 m W of Stewart's point. Comment
  JEPS61602  Clintonia andrewsiana Docia I. Patchett 1917-5-14 Sonoma Buckeye Road Comment
  SEINET12047073  Clintonia andrewsiana F. H. Utech, Utech, C. L. 1972-1 72 -603 Sonoma Armstrong Redwoods State Park 183 Comment
  UC26616  Collinsia greenei H. N. Bolander 1866-1 3968 Sonoma The Geysers Comment
  SBBG6867  Collinsia heterophylla H. and M. Dearing 1933-5-14 1742 Sonoma Cloverdale Comment
  RSA63335  Collinsia heterophylla Milo S. Baker 1950-6-12 12279 Sonoma Hillside opposite Maplewood, near Kenwood. Comment
  SEINET12335260  Collinsia heterophylla F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -253 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SEINET7096713  Collinsia sparsiflora var. arvensis A. G. Vestal 1962-4-11 s.n. Sonoma Serpentine 1 mile east of Occidental. NAD27 38? deg. 24' 26ao, -122?_ 55' 50ao (converted to WGS84 decimal degrees) UTM Zone 10, 555305mE, 4614022mN. Comment
  UC26649  Collinsia sparsiflora var. arvensis Alice King May 1897 Sonoma Healdsburg Comment
  UC424769  Collinsia sparsiflora var. sparsiflora Milo S. Baker Apr 1929 3569 C Sonoma South East Macdonald Reservoir is in the hills just e of Santa Roasa and about 1/2 mi s of the Sonoma Hwy (State 12) South East Macdonald Reservoir Comment
  UC76070  Collinsia sparsiflora var. sparsiflora Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  UCD123670  Collinsia sparsiflora var. sparsiflora Botany 102 Students 1993-4-24 99 Sonoma About 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. About 1.25 air miles southeast of Red Mountain, southeast of Sonoma Creek, along Hillside Trail. 396 Comment
  CAS-BOT-BC229544  Collomia diversifolia Peter Rubtzoff 1973-7-24 7201 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC230698  Collomia rawsoniana Walter Knight; Irja Knight; Tiffany Knight 1985-7-15 5144 Sonoma From garden of Knight, Petaluma Comment
  UCD127332  Conium maculatum Terri Williamson 1990-5-20 66 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  SDSU657  Corallorhiza maculata D. F. Howe 1963-7-3 3591 Sonoma Under redwoods, 20 miles north of #12 on #1. Comment
  SEINET4676260  Cordylanthus brunneus Lewis S. Rose 1955-7-11 55110 Sonoma 2 miles east of Occidental.; 0 244 Comment
  JEPS62607  Cordylanthus maritimus subsp. palustris T. I. Chuang with Fei-Mei Chuang 1970-8-25 6846 Sonoma Coastal salt marsh nw of Bodega Bay (U. C. Biological Reserve); U. C. Biological Reserve Comment
  SEINET12329991  Cordylanthus tenuis subsp. brunneus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -245 Sonoma end of Stoetz Road 200 Comment
  JEPS27994  Cordylanthus tenuis subsp. capillaris Rimo Bacigalupi with L. R. Heckard 1961-6-9 7747 Sonoma ca. 0.75 ni nw Occidental School (along Stoetz Lane, ca. 1/2 mi nw of its junction with Harrison Grade road) 228 Comment
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Jul 27 2009
  JEPS33006  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1946-8-14 784 Sonoma e Camp Meeker Comment
  CAS-BOT-BC368068  Cornus Greg de Nevers 1998-5-25 11266 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At the caves 400 Comment
  CAS-BOT-BC212291  Cornus glabrata Greg de Nevers 1987-5-11 8168 Sonoma Knights Valley, 2 mi. S of Hwy 128 on Franz Valley Rd. 100 Comment
  JEPS50119  Cornus glabrata W. L. Jepson 1921-9-12 9488 Sonoma Alexander Valley 45 Comment
  RSA0057961  Cornus glabrata Greg de Nevers 1998-4-27 11196 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  CAS-BOT-BC210438  Cornus sericea J. W. Congdon 1880-6-6 s.n. Sonoma Bloomfield Comment
  CAS-BOT-BC210441  Cornus sericea John Thomas Howell 1937-6-6 13036 Sonoma Pitkin Marsh Comment
  RSA239697  Cornus stolonifera Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1094 Sonoma Pitkin-Jones Tree Farm; on Vine Hill Rd. west of Santa Rosa. Comment
  UC1784134  Coronopus didymus Ethel Crum 1930-1 Sonoma Petaluma Comment
  UC480599  Corylus californica Carl Meyer 1928-3-4 325 Sonoma Sonoma County Comment
  JEPS58674  Corylus californica W. L. Jepson 1903-10-4 2365 Sonoma Russian River, Eagle's Nest Camp Eagle's Nest Camp; Russian River, Eagle's Nest Camp Comment
  CAS-BOT-BC180189  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1963-10-3 314 Sonoma Crane Canyon Comment
  CDA13750  Corylus cornuta var. californica G. F. Hrusa, R. Gross 1997-2-1 13620 Sonoma North Coast Ranges; Kortum Canyon Rd., approx. 1/4 mi. W of Hwy 29, immed. W of downtown Calistoga. Comment
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Jul 28 2008
  CAS-BOT-BC290298  Cotula coronopifolia Walter Knight; Irja Knight 1963-9-29 231 Sonoma Near railroad bridge over Petaluma River ca. 1 mi. S. of Petaluma Comment
  RSA790515  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  UCD130895  Cotula coronopifolia Charles B. Heiser Jr. 1946-4-13 1724 Sonoma 1 mile east of Jenner. Comment
  CDA25350  Cotyledon orbiculata G. D. Bissel 1965-9-22 Sonoma Oscar Miller ranch, west of Petaluma. 0 Comment
  CAS-BOT-BC376256  Crassula Greg de Nevers 1995-5-5 10720 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Flat roadbed vernal pools 487 Comment
  CAS-BOT-BC427648  Crassula aquatica Peter Rubtzoff 1963-6-6 5163 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC427652  Crassula aquatica Peter Rubtzoff 1974-5-11 7386 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  UCD101836  Crassula connata Mary M. Hektner 1976-4-3 233 Sonoma gravelled parking lot at access to Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC143508  Crataegus gaylussacia Peter Rubtzoff 1958-5-3 3614 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC143510  Crataegus gaylussacia Peter Rubtzoff 1958-8-16 3885 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  UC580679  Crataegus gaylussacia H. S. Yates 1934-4-21 3783 Sonoma Near Freestone Sebastopol Quad. 60 Comment
  JEPS107056  Crataegus suksdorfii J. Greenhouse with Gene Cooley, John Game 2004-6-15 5091 Sonoma Cunningham Marsh, ~3 mi SSE of Sebastopol, ~0.5 mi S of Lone Pine Rd 35 Comment
  UCD148420  Crepis Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  UC1561762  Crupina vulgaris Liam Davis 1990-5-17 9078 -3 Sonoma about 200 m s Lake Llsanjo (along e side of Canyon Trail); Annadel State Park 243 Comment
  CDA4462  Crupina vulgaris G. D. Barbe 1991-5-24 4422 Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  CAS-BOT-BC190105  Crypsis schoenoides Peter Rubtzoff 1970-5-30 6243 Sonoma 5 miles north of Sears Point. Comment
  UCD60004  Crypsis vaginiflora Peter Rubtzoff 1971-8-9 6631 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC368095  Cryptantha Greg de Nevers 1998-5-5 11229 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  UCD119057  Cryptantha ambigua Collector unknown 1932-7-7 s.n. Sonoma Calistoga, near Petrified Forest. Comment
  UC79410  Cryptantha flaccida Dr. Edward Palmer Sonoma Sonoma Comment
  UC908734  Cryptantha muricata Milo S. Baker 1947-5-7 11735 Sonoma near base of Sugar Loaf (sw slope of Hood Mt.); Hood Mt. 365 Comment
  RSA0079376  Cryptantha muricata var. jonesii Michener, Bioletti 1892-5-30 s.n. Sonoma Hood s Peak. Comment
  SEINET11739328  Cupressus macnabiana W. Knight, Knight, I.; Howell, J. T. 1984-1 5077 Sonoma above Hooker Canyon on Cavedale Road 640 Comment
  CAS-BOT-BC85472  Cupressus sargentii J. Ed. McClellan; Mrs. J. Ed. McClellan 1975-1-11 s.n. Sonoma Harrison Grade Rd. Comment
  UCD164605  Cuscuta campestris Peter Rubtzoff 1975-9-28 8414 Sonoma Russian River bank at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA785056  Cuscuta howelliana Peter Rubtzoff 1976-6-18 8648 Sonoma False Lake Meadow area. Annadel State Park Comment
  CDA39985  Cuscuta subinclusa Mary-Jean Sawyer 2008-7-3 PDR# 1544920 Sonoma Sears Pt. Dr., on Hwy 37 X Hwy 121, On side of road down to waters edge, near Tolby Creek. 0 Comment
  RSA0022351  Cynodon Peter Rubtzoff 1971-8-23 6658 Sonoma Meacham Road, 0.35 miles S of Stony Point Road. Comment
  CAS-BOT-BC190242  Cynodon dactylon Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC190346  Cynodon dactylon John Thomas Howell; Walter Knight; Irja Knight 1987-5-20 6233 Sonoma Todd Road Preserve. 24 Comment
  UCD60066  Cynodon dactylon Beecher Crampton 1964-8-18 7140 Sonoma Northeast Sonoma County: 'The Geysers'. Comment
  UCD60093  Cynodon dactylon Mary M. Hektner; Cathy Hendel 1974-7-25 165 Sonoma Near State Highway 1, Sea Ranch. Comment
  UCD144421  Cynodon dactylon Frederica Bowcutt 1996-5-24 2165 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. Along Adobe Canyon Road in front of Bud Getty's house, near service area and coral. 365 Comment
  UC24750  Cynoglossum grande W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  UCD160902  Cynosurus echinatus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3582 Sonoma Section 10, ca. 1.5 miles west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  UCD160966  Cynosurus echinatus James A. Neilson Jr. 1975-7-8 3416 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC350926  Cyperus Peter Rubtzoff 1978-7-19 9239 Sonoma Russian River at Del Rio Beach, c. 2.5 miles east of Healdsburg on South Fitch Mountain Road. Comment
  UC1103633  Cyperus eragrostis Joseph P. Tracy 1947-10-6 17939 Sonoma Mayacama Creek below Knights Valley; Mayacama Creek 152 Comment
  UC727744  Cyperus eragrostis Milo S. Baker 1946-8-17 11556 Sonoma at Sebastopol Crossing La Laguna Comment
  UCD161845  Cyperus eragrostis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 s.n. Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC114512  Cyperus eragrostis Saichi Kawahara 1985-7-1 534 Sonoma On dike bank of Ducker Creek Rincon Valley, Santa Rosa. Comment
  CAS-BOT-BC114435  Cyperus erythrorhizos Peter Rubtzoff 1958-9-20 3992 Sonoma Laguna de Santa Rosa NE of Graton. 1.5 mi N of Guerneville Road. Comment
  CAS-BOT-BC114340  Cyperus esculentus Peter Rubtzoff 1956-9-14 2868 A Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC114228  Cyperus fuscus Peter Rubtzoff 1987-10-17 9872 Sonoma Russian River ca. 6 mi E of Guerneville. Comment
  CAS-BOT-BC113911  Cyperus niger var. capitatus Peter Rubtzoff 1963-9-28 5283 Sonoma Fitch Mtn. Grove, 2 mi E of Healdsburg. Shaded, wet ground on Russian River bottom. Comment
  CAS-BOT-BC113916  Cyperus niger var. castaneus John Thomas Howell; J. W. Stacey 1936-7-26 12675 Sonoma Pitkin Marsh, 5 mi. N of Sebastapol. Comment
  CAS-BOT-BC133739  Cypripedium californicum A. L. Graff 1928-5-22 s.n. Sonoma Field redacted by CAS, contact the data manager for more information Comment
  UC845295  Cypripedium montanum Eliz. Parsons Hawver 1915-6-3 Sonoma Skaggs Springs Comment
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Jan 23 2016
  CAS-BOT-BC435188  Cypselea humifusa Peter Rubtzoff 1958-9-20 3991 Sonoma Laguna de Santa Rosa northeast of Graton (1/2 mi. north of Guerneville Rd.). Comment
  CAS-BOT-BC435193  Cypselea humifusa Peter Rubtzoff 1969-8-24 6148 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  UCD105688  Cytisus scoparius Andreas Stohr 1996-5-19 17 Sonoma Roadside 7 miles west of Petaluma. 100 Comment
  CAS-BOT-BC189803  Dactylis glomerata G. DeNevers 1981-5-20 1230 Sonoma Pepperwood Ranch. Leslie Creek and Mark West Creek. Comment
  CAS-BOT-BC445563  Damasonium californicum J. W. Congdon 1880-5-16 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC192264  Danthonia californica Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6273 Sonoma Todd Road Preserve 24 Comment
  JEPS121156  Danthonia californica Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18595 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  RSA784599  Danthonia californica Peter Rubtzoff 1974-5-18 7414 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA785374  Danthonia californica Peter Rubtzoff 1971-6-5 6508 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road. Comment
  SEINET191751 Image available Danthonia californica K. Wagnon 1939-4-20 179 Sonoma About 2 miles south of Kenwood along Sonoma Highway. Comment
  UC1131386  Danthonia californica H. S. Yates 1936-5-16 5579 Sonoma 1 mi ne Graton; Sebastopol Quadrangle Comment
  UC717997  Danthonia californica David D. Keck 1944-7-11 5513 Sonoma 1 mi s bridge across mouth of Russian River (1/2 mi from ocean) 22 Comment
  UCD60309  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  UCD60473  Danthonia californica Winfield H. Hart 1965-2-2 s.n. Sonoma Sonoma Coast State Park, Shell Beach. Comment
  UCD60982  Danthonia californica Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-21 43 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Hwy. 1. Comment
  UCD61012  Danthonia californica R. Tofsrud 1948-5-9 Sonoma Old Santa Rosa cemetery, Santa Rosa. Comment
  SACT000895  Danthonia californica M. Wiesendanger 1927-5-5 Sonoma Comment
  UCD60686  Danthonia californica var. americana R. Tofsrud 1941-4-1 27 Sonoma Near Wright School. Comment
  UCR141956  Danthonia californica var. americana Beecher Crampton 1967-5-15 7935 Sonoma Coast Range, 14 miles NW of Calistoga on Hwy. 128 near Chalk Hill Road 122 Comment
  RSA126595  Danthonia californica var. californica H. S. Yates 1937-5-30 6540 Sonoma 1.5 miles northeast of Graton. 30 Comment
  CAS-BOT-BC154986  Datura Peter Rubtzoff; Irene Rubtzoff 1968-8-31 5940 Sonoma Russian River bottom at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC366897  Datura wrightii Greg de Nevers 1997-10-17 11107 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral 400 Comment
  RSA0045177  Datura wrightii Greg de Nevers 1997-10-17 11107 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral. 100 Comment
  UCR255037  Datura wrightii Greg de Nevers 1997-10-17 11107 Sonoma North Coast Range, Santa Rosa, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 400 Comment
  CAS-BOT-BC293812  Deinandra corymbosa Walter Knight; Irja Knight 1965-9-13 1190 Sonoma Lohrman Lane near firehouse. Petaluma Comment
  CAS-BOT-BC9018  Delphinium decorum John Thomas Howell 1931-4-18 6413 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC9021  Delphinium decorum M. Hallet 1925-3-2 s.n. Sonoma Graton Comment
  POM253332  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay. Comment
  UC914291  Delphinium decorum subsp. decorum Verne Grant and Alva Grant 1947-5-4 7954 Sonoma 1 mi from Bodega Bay (on road to Bodega) Comment
  JEPS6232  Delphinium hesperium subsp. hesperium F. T. Bioletti 1893-5 Sonoma Hillside South Los Guilicos Comment
  CAS-BOT-BC10066  Delphinium hesperium subsp. pallescens John Thomas Howell 1934-3-27 s.n. Sonoma Pope Canyon, Napa Range Comment
  HSC25040  Delphinium luteum R. F. Good 1962-4-19 30 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes 46 Comment
  LA207536  Delphinium luteum Joseph Andorfer Ewan; 1935-5-12 9203 Sonoma 2 mi W of Bodega Bay on Bodega Bay rd Comment
  SEINET10536041  Delphinium luteum A. Arthur Heller, H. E. Brown 1902-1 Sonoma Comment
  CHSC22991  Delphinium nudicaule Robert A. Schlising 1962-3-31 2116 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  UC70361  Delphinium nudicaule Milo S. Baker 1899-1 Sonoma Santa Rosa Comment
  UC906492  Delphinium nudicaule J. Ewan 1935-5-12 9234 Sonoma 1/4 mi from road on n side (mouth of creek on ne shore of bay); Bodega Bay, Salmon Creek Comment
  CAS-BOT-BC9897  Delphinium nudicaule Doris K. Kildale 1928-4-1 4400 Sonoma Top of grade, just north of Cloverdale, on Redwood Highway Comment
  CDA24249  Delphinium nudicaule G. D. Barbe, T. C. Fuller 1985-3-28 4198 Sonoma In ravine southwest of pasture; 6560 Sonoma Mountain Road, south of Santa Rosa. Comment
  RSA304847  Delphinium nudicaule James R. Shevock 1971-3-21 814 Sonoma Near Sugarloaf St Park 152 Comment
  UC136330  Delphinium nudicaule C. F. Baker 1903-4-20 2620 Sonoma Mt. St. Helena Comment
  UCSB31448  Delphinium nudicaule Townsend, J. 1977-5-29 Sonoma West side U.S. 101; 2 miles north of Petaluma Comment
  JEPS83462  Delphinium patens subsp. patens Jack and Betty Guggolz 1985-4-27 699 BG Sonoma e Spring Lake; Spring Meadows (tentative subdivision) Comment
  CAS-BOT-BC121725  Delphinium patens subsp. patens Gregory Clark de Nevers 1981-5-7 994 Sonoma Pepperwood Preserve, Hansel's Lake Comment
  CAS-BOT-BC7765  Delphinium variegatum subsp. variegatum Ella D. Cantelow 1940-4-6 4273 Sonoma South of Shellville Comment
  UCD63803  Deschampsia cespitosa subsp. holciformis David L. Morgan 1956-6-26 Sonoma Bank above Shell Beach, 1/4 mile south of Goat Rock. Comment
  UCD63817  Deschampsia cespitosa subsp. holciformis Mary M. Hektner; Sue Dakuzaku 1974-6-3 13 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC201648  Deschampsia danthonioides John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54681 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC201652  Deschampsia danthonioides K. Wagnon 1939-5-11 189 Sonoma In Bennett Valley Comment
  RSA0059085  Deschampsia danthonioides Greg de Nevers 1997-5-13 10999 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 100 Comment
  RSA784393  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6084 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC201961  Deschampsia elongata Lewis S. Rose 1962-6-1 62064 Sonoma 1 mi. NW of Freestone 76 Comment
  CAS-BOT-BC201966  Deschampsia elongata Peter Rubtzoff 1958-7-19 3754 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  RSA785841  Deschampsia elongata Peter Rubtzoff 1964-6-24 5373 Sonoma Lower Salmon Creek Marsh. Comment
  UC53607  Deschampsia elongata Jos. Burtt Davy July 1896 Sonoma Russian R. below Guerneville; Russian R. Comment
  UCD63238  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  UCD63716  Deschampsia elongata P. B. Kennedy 1916-7-17 Sonoma Del Mar Ranch. Comment
  UCD63734  Deschampsia elongata P. B. Kennedy 1916-7-17 Sonoma Del Mar. Comment
  UCD151080  Dichelostemma James A. Neilson Jr. 1973-6-3 2990 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UCD166875  Dichelostemma capitatum Robert E. Preston 2016-3-26 3041 Sonoma Mayacamas Mountains, along Pine Flat Rd, 0.15 mi S of Red Hill summit. 660 Comment
  CAS-BOT-BC502220  Dichelostemma capitatum John Thomas Howell 1931-4-18 6428 Sonoma 8 miles n. of Bay Comment
  CHSC57543  Dichelostemma capitatum subsp. capitatum Shelly A. Kirn 1991-3-28 1 Sonoma Ca. 50 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  SEINET8472296  Dichelostemma capitatum subsp. capitatum W. Roderick 1967-5-20 s.n. Sonoma NW edge of Santa Rosa. 46 Comment
  CHSC20585  Dichelostemma congestum Robert A. Schlising; Glenn Keator 1965-5-22 2824 Sonoma About 1 mile north of Occidental; Comment
  CAS-BOT-BC502551  Dichelostemma congestum Alice Eastwood 1921-5-8 10437 Sonoma Petaluma Comment
  RSA130891  Dichondra donelliana E. K. Balls 1958-7-21 23584 Sonoma State Hwy. 1, 7.3 mi. se. from Fort Ross. 137 Comment
  SEINET10496681  Dichondra occidentalis Alan A. Beetle 1940-4-7 Beetle 2598 Sonoma In sandy soil on low, open, grassy coastal hill; five miles north of Jenner. Comment
  UCD64005  Digitaria sanguinalis Collector Unknown 1941-11-1 Sonoma Santa Rosa Cr. by old S.P. R.R. Comment
  CAS-BOT-BC151973  Diplacus douglasii Milo S. Baker 1927-4-12 2072 a Sonoma S.E. slope Hood's Peak 396 Comment
  CAS-BOT-BC151753  Diplacus kelloggii Greg de Nevers 1993-5-17 10455 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  POM109250  Disporum hookeri var. hookeri Marcus E. Jones 1882-7-8 s.n. Sonoma Duncan Mills. Comment
  RSA796173  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh. Comment
  UCD64360  Distichlis spicata Collector Unknown 1941-9-1 153 Sonoma Near mouth of Walker Creek by Tomales Bay. Comment
  UC1123264  Dodecatheon hendersonii B. O. Schreiber 1938-2-27 2467 Sonoma 2 mi wnw Mark West Springs; Healdsburg Quad. 121 Comment
  SD88563  Dodecatheon hendersonii Darley F. Howe 1972-2-20 4804 Sonoma Mt. Hood Range Comment
  CAS-BOT-BC156312  Downingia concolor var. concolor Peter Rubtzoff 1969-5-3 6024 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  JEPS14427  Downingia concolor var. concolor E. Ferguson 1920-4 358 Sonoma Windsor Comment
  UC1001279  Downingia concolor var. concolor W. L. Jepson 1921-6-3 9313 Sonoma Wilfred sta. Cotati Valley Comment
  JEPS103647  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 147 -95 Sonoma N of Sonoma at Rt. 12 entrance to Sonoma Valley Regional Park Comment
  JEPS3102  Downingia cuspidata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley; ; Los Guilucos Valley, Sonoma Co. Comment
  UC1188748  Downingia pusilla John H. Weiler 1961-4-30 6196 Sonoma 4.4 mi n Sears Point (along State Highway 37) Comment
  UC28974  Downingia pusilla Michener and Bioletti May 1892 Sonoma Shellville; ; Shellville, Sonoma Co. Comment
  CAS-BOT-BC401546  Drosera rotundifolia Peter Rubtzoff 1951-7-8 393 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC159443  Drymocallis glandulosa var. glandulosa G. DeNevers 1981-4-25 870 Sonoma Mark West Creek and Leslie Creek, Pepperwood Ranch Comment
  UCD151157  Dryopteris James A. Neilson Jr. 1973-6-6 s.n. Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  CAS-BOT-BC71021  Dryopteris arguta Walter Knight; Irja Knight 1963-12-27 460 Sonoma Pine Flat Road Comment
  UCD136430  Dryopteris arguta Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1754 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail approx. 200 yds. From just E of Bear Creek about 5 yds. N of confluence with Sonoma Creek. 198 Comment
  CAS-BOT-BC277741  Dryopteris arguta Mona Bourell; Alva Day; George Lindsey 1986-6-26 1813 Sonoma CAS Pepperwood Ranch. 6 miles east of Santa Rosa 365 Comment
  CAS-BOT-BC71019  Dryopteris arguta A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  RSA0021585  Dryopteris arguta M. Bourell, Alva Day, George Lindsey 1982-6-25 1813 Sonoma CAS Pepperwood Ranch. 6 miles east of Santa Rosa. 366 Comment
  SD38625  Dudleya farinosa Edith A. Purer 1932-7-21 4036 Sonoma Bodega Bay Comment
  UCD167958  Dysphania James Neilson 1981-7-16 4050 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CDA1632  Egeria densa K. Meehan 1974-7-23 Sonoma Cattle pond on Agua Caliente Creek, 1/4 mile from the end of Norrbom Road. 0 Comment
  UCD164985  Eleocharis Peter Rubtzoff; Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7849 Sonoma Kenwood Marsh. Comment
  CDA13127  Eleocharis acicularis G. F. Hrusa, R. Gross 1996-6-3 13062 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  UCD49703  Eleocharis acicularis G. F. Hrusa; R. Gross 1996-6-30 13062 Sonoma permanent spring-derived pool at W end of Diamond Mtn. Rd. Lower of two pools, approx. 150 meters apart. 2 m. SW of Calistoga. Single colony on W side of pool. Quadrangle: Calistoga 7.5 700 Comment
  UCD49742  Eleocharis palustris S. Galen Smith; Malcolm A. Nobs 1949-8-1 1113 Sonoma Bog 2 miles east of Stewart's Point on road to Geyserville, Sonoma County. Comment
  CAS-BOT-BC112073  Eleocharis quinqueflora Peter Rubtzoff 1952-5-31 1125 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112203  Eleocharis radicans Peter Rubtzoff 1956-9-21 2933 Sonoma Vacation Beach, near Guerneville. Sancy beach of Russian River. Comment
  CAS-BOT-BC112273  Eleocharis rostellata Peter Rubtzoff 1952-5-31 1127 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC451543  Elodea canadensis Peter Rubtzoff 1987-9-27 9860 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  JEPS45815  Elymus californicus Eleanor Armstrong 1932-5-23 167 Sonoma 1 mi w of Camp Meeker (near coast) 91 Comment
  CAS-BOT-BC221830  Elymus canadensis Rimo Bacigalupi 1926-5-2 1405 Sonoma Cazadero Comment
  UC1011032  Elymus glaucus Virginia Bufford 1936-5-20 329 Sonoma Kellog Mark West Rd. 3 mi from Kellogg Comment
  CAS-BOT-BC203721  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-9 1097 Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  UC1146678  Elymus glaucus subsp. virescens Freed W. Hoffman 1944-5-27 2009 Sonoma Bodega Park North Coast Ranges (ocean bank) Comment
  UCD37354  Elymus glaucus subsp. virescens Beecher Crampton 1959-6-16 5399 Sonoma Sonoma County, 1.5 miles southeast of Bodega Bay, along State Highway 101. Comment
  CAS-BOT-BC235230  Elymus multisetus G. DeNevers 1981-7-1 1723 Sonoma Pepperwood Ranch. On the slope W of the Goat Pen in the Garrison Canyon Comment
  CAS-BOT-BC235234  Elymus multisetus D. E. Breedlove 1980-6-28 44794 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD62675  Elymus trachycaulus subsp. subsecundus Frederica Bowcutt 1995-11-19 2061 b Sonoma Sugarloaf Ridge State Park. About 50 miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon, due south of Red Mtn. about 1 air mile along Lower Bald Mtn. SE facing. 411 Comment
  CAS-BOT-BC166837  Epilobium canum subsp. latifolium F. G. Krauss 1893-11-2 s.n. Sonoma Krauss Ranch Comment
  RSA800035  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1693 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC262950  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-10 1681 Sonoma Bodega Head Marsh. Comment
  RSA800030  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1955-8-20 2088 Sonoma Bodega Harbor Marsh. Comment
  UC1042438  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-7-14 444 Sonoma on edge of thicket near creek (s edge of Lower Marsh, near Forestville); Pitkin Marsh, Lower Marsh Comment
  RSA39637  Epilobium ciliatum subsp. watsonii P. A. Munz 1947-10-10 12218 Sonoma 2 miles north of Jenner 30 Comment
  RSA41106  Epilobium minutum Robert F. Hoover 1939-4-18 4040 Sonoma Occidental Comment
  UCD148324  Epilobium torreyi Peter Rubtzoff 1954-7-27 1578 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC57130  Equisetum X ferrissii John Thomas Howell 1951-5-28 27502 Sonoma Eastern branch of the Pitkin Marsh Comment
  CAS-BOT-BC164055  Equisetum hyemale var. californicum Peter Rubtzoff 1961-10-23 4785 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  CAS-BOT-BC57650  Equisetum telmateia Peter Rubtzoff 1954-9-6 1741 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC57653  Equisetum telmateia A. A. Heller; H. E. Brown 1902-3-27 5161 Sonoma Western Base of Mt. Hood Comment
  UC810265  Equisetum telmateia subsp. braunii Koch 1940-4-16 9543 Sonoma Hwy between Salmon Creek and Wright's Beach (Hwy. 1) Comment
  UC1025040  Eragrostis cilianensis Leo Whitney 1935-10-2 3634 Sonoma Santa Rosa Comment
  SEINET10807148  Eragrostis curvula P. Rubtzoff 1971-8-23 Rubtzoff 6653 Sonoma Meacham Road, 0.35 miles S of Stony Point Road Comment
  CAS-BOT-BC291249  Erechtites minimus John Thomas Howell 1946-8-17 22868 a Sonoma Cunningham Marsh Comment
  CAS-BOT-BC368007  Ericameria arborescens Greg de Nevers 1989-9-5 9100 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA121646  Ericameria arborescens subsp. arborescens J. B. Spring 1932-7-7 97 Sonoma 2/5 mile SW of Veeder Mt. 610 Comment
  CAS-BOT-BC293622  Erigeron biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's [Duncans] Mills Comment
  CAS-BOT-BC293630  Erigeron biolettii Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  UCD131758  Erigeron canadensis Charles B. Heiser Jr. 1946-8-17 1830 Sonoma Russian River, near Duncan Mills. Comment
  CAS-BOT-BC295126  Erigeron glaucus John H. Thomas 1976-6-15 18308 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC31486  Erigeron glaucus Harley P. Chandler 1900-5-25 690 Sonoma Bodega Bay Comment
  UC1192210  Erigeron greenei Verne Grant, Herbert L. Mason 1946-7-5 12898 Sonoma 2 mi east of Occidental Comment
  POM40212  Erigeron inornatus var. biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC214552  Erigeron philadelphicus Peter Rubtzoff 1951-7-28 553 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC300305  Erigeron supplex Mary P. Wells 1984-7-6 357 A Sonoma Site of North Fire Station. The Sea Ranch Comment
  CAS-BOT-BC224155  Eriodictyon californicum Irja Knight; Walter Knight 1964-11-15 784 Sonoma Hood's [Hood] Peak in meadow above Johnson Dam Comment
  OBI39519  Eriodictyon californicum F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-16 84 -075 Sonoma ca. 4 mi NNW of Sonoma on Caveldale rd from jctn with CA hwy 12; ca. 0.4 mi N on Cavedale rd from jctn 107 Comment
  SEINET12329974  Eriodictyon californicum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -191 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  CAS-BOT-BC259253  Eriogonum latifolium John H. Thomas 1976-6-15 18301 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  RSA372073  Eriogonum latifolium Noel Holmgren, James L. Reveal 1966-6-6 2648 Sonoma Just north of Ocean View. On bluff above shore line (form away from immediate coastal influence). Comment
  SD22296  Eriogonum latifolium John Thomas Howell 1930-7-27 5414 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259483  Eriogonum luteolum John Thomas Howell 1929-6-30 4320 Sonoma 4 miles from Petrified Forest on road to Knights Valley Comment
  UC1299729  Eriogonum luteolum var. luteolum Freed W. Hoffman 1946-9-26 568 Sonoma Layton Mine Austin Creek, Layton Mine Comment
  UCR44934  Eriogonum nervulosum L. F. LaPre 1985-6-7 s.n. Sonoma The Cedars, 6.5 mi NW of Cazadero near Layton, Chromite Mine, upper Austin Creek 413 Comment
  CAS-BOT-BC261687  Eriogonum nudum var. nudum Mary P. Wells 1985-7-7 544 Sonoma King's Ridge Road, north of Cazadero Comment
  UC635014  Eriogonum nudum var. oblongifolium H. L. Mason 1928-7-10 4885 Sonoma Jenner Comment
  CAS-BOT-BC269749  Eriogonum nudum var. oblongifolium Peter Rubtzoff 1952-6-1 1133 Sonoma Fitch Mtn. Grove, nr. Healdsburg Comment
  UC6543  Eriogonum roseum Willis L. Jepson August, 1892 Sonoma Cloverdale Comment
  CAS-BOT-BC262390  Eriogonum vimineum G. DeNevers 1981-6-15 1513 Sonoma Pepperwood Ranch. On Franz Valley Road Comment
  CAS-BOT-BC262394  Eriogonum vimineum R. D. Stone 1983-6-13 533 Sonoma In headwaters of Squaw Cr. drainage, ca. 1.2 mi. WNW of Geyser Rock 975 Comment
  UCSB15796  Eriophyllum lanatum Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC301152  Eriophyllum lanatum var. achilleoides Roxana S. Ferris; Laura Lorraine 1961-6-14 13524 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  CAS-BOT-BC301148  Eriophyllum lanatum var. achilleoides L. Constance 1933-5-20 E 26 Sonoma 1 mile north of Healdsburg Comment
  CAS-BOT-BC301153  Eriophyllum lanatum var. achilleoides L. Constance 1933-5-20 E 25 Sonoma Between Santa Rosa & Healdsburg, 3 1/2 m. from Healdsburg Comment
  CAS-BOT-BC301276  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1933-9-3 33354 Sonoma 2 miles w. of Petrified Forest Comment
  CAS-BOT-BC301287  Eriophyllum lanatum var. arachnoideum J. Clausen 1935-5-24 1086 Sonoma 5.1 mi. S. of Jenner on the Bodega road Comment
  CAS-BOT-BC302014  Eriophyllum staechadifolium Alice Eastwood 1915-6-29 4879 Sonoma Bodega Point Comment
  RSA789043  Erodium Carrie A. Herd 1982-3-16 28 Sonoma Santa Rosa, Todd Road Preserve Comment
  RSA44517  Erodium brachycarpum L. S. Rose 1949-4-6 49025 Sonoma Western outskirts of Sonoma. 30 Comment
  UCD150843  Eryngium aristulatum Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  UC1365626  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1963-7-27 5210 Sonoma n. Cunningham (near Todd Rd., Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC1008919  Eryngium aristulatum var. aristulatum Milo S. Baker with Rubtzoff 1954-8-12 13036 Sonoma Coney Lake, Coney Ranch, Kenwood Kenwood, Coney Ranch, Coney Lake 365 Comment
  SD56682  Eryngium armatum Darley F. Howe 1963-7-3 3584 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
  UCD115023  Erysimum Jackie Sinkey 1976-4-17 s.n. Sonoma Bodega Head. 152 Comment
  POM143108  Erysimum concinnum A. A. Heller, H. E. Brown 1902-5-27 5607 Sonoma Bodega Bay Comment
  CAS-BOT-BC384606  Erythranthe grandis David B. Lowry 2005-5-9 WTB Sonoma At mile marker 17.08 along Hwy. 1 36 Comment
  SEINET12052829  Erythronium californicum F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -62 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  RSA785713  Erythronium californicum Carrie A. Herd 1982-3-28 62 Sonoma Scagg Springs Road, near bridge no. 1 Comment
  SD40082  Eschscholzia californica Edith A. Purer 1932-7-29 4047 Sonoma Bodega Bay. Comment
  SEINET7067232  Eschscholzia californica A. G. Vestal 1947-5-12 s.n. Sonoma About 1 miles east of Occidental on the Occidental Road. Coordinate datum: NAD27. UTM Zone 10, 506085mE, 4250797mN. Comment
  UCR44930  Eschscholzia californica L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  SEINET12193812  Eucalyptus camaldulensis W. Knight, Knight, I.; Howell, J. T. 1984-1 5072 Sonoma intersection Petaluma Ave & Arnold Dr., El Verano Comment
  OBI69877  Eucalyptus globulus Jenn Yost and Matt Ritter, Matt Ritter 8-Apr 53 Sonoma corner of Stony Rd and Pepper Rd, Petaluma, side of rd in a field Comment
  UCD19300  Eucalyptus globulus Terry Reedy 1974-5-11 233 Sonoma Bodega Head, gully south of drive to Field Station. 6 Comment
  CAS-BOT-BC202770  Euonymus occidentalis K. Wagnon 1939-5-1 220 Sonoma Along Jonive Cr. about 1/8 mile northeast of Wagnon Ranch, 5 mi. west of Sebastopol Comment
  CAS-BOT-BC290686  Euphorbia Peter Rubtzoff 1987-10-17 9878 Sonoma Along Highway 116 ca. 0.3 miles southeast of Forestville. Comment
  CAS-BOT-BC540818  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road. Comment
  RSA0002811  Euphorbia A. A. Heller 1902-7-2 5802 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  UC353899  Euphorbia spathulata Milo S. Baker 1927-5-7 2120 a Sonoma slope opposite House-Maple Glen Comment
  CAS-BOT-BC354322  Euthamia occidentalis Peter Rubtzoff 1960-9-17 4560 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads. Comment
  RSA0025193  Euthamia occidentalis Peter Rubtzoff 1969-8-26 6155 Sonoma Marsh on River Road ca. 3 mi west of Fulton. Comment
  CAS-BOT-BC164358  Fabaceae Peter Rubtzoff 1971-5-30 6504 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC239727  Fabaceae Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing Comment
  CAS-BOT-BC371457  Festuca Greg de Nevers 1989-4-1 9062 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC283188  Festuca californica subsp. californica G. DeNevers 1981-5-15 1172 Sonoma N arm of Garrison Canyon, Pepperwood Ranch Comment
  CAS-BOT-BC283192  Festuca californica subsp. californica Peter Rubtzoff 1952-6-10 1236 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  UC576335  Festuca elmeri H. S. Yates 1937-5-31 6564 Sonoma 1 mi sw Petrified Forest; Calistoga Quad. 274 Comment
  CAS-BOT-BC278395  Festuca elmeri K. Wagnon 1939-5-22 217 Sonoma Top of Wagnon rock quarry, five miles west of Sebastopol Comment
  UCD66127  Festuca occidentalis P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart's Point - Annapolis Comment
  CHSC1546  Fragaria chiloensis A. Small 1964-6-12 Sonoma Doran Park. Comment
  CHSC3920  Fragaria chiloensis A. K. Revard 1967-3-19 1 Sonoma On cliff, ca. 6 ft. w of Hyw. 1, and ca. 1/4 mi. s of Miwok Beach. 10 Comment
  CHSC63925  Fragaria chiloensis John Hale 1990-4-12 22 Sonoma 610 m. N. of Stillwater Cove. Meadow. 24 Comment
  UC917286  Fragaria chiloensis R. H. Miller 1949-4-6 25 Sonoma approx. 5 mi S of Jenner (Route 1) Comment
  CAS-BOT-BC53274  Frangula californica subsp. californica R B Usinger 1929-8-6 s.n. Sonoma Two miles N. of Guernewood Park, Russian River region Comment
  SBBG33950  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Crk NE of Santa Rosa 121 Comment
  CAS-BOT-BC130178  Fritillaria affinis D. E. Breedlove 1983-4-11 58687 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC480631  Fritillaria affinis Carl Meyer 1928-3-3 313 Sonoma Santa Rosa Comment
  RSA177962  Fritillaria recurva Robert F. Thorne 1965-4-20 34381 Sonoma Charles Newmans place up Los Alamos Rd, on Rincon Ridge 396 Comment
  UCR42317  Fritillaria recurva var. coccinea L. F. LaPre 1986-3-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  JEPS111397  Galium andrewsii subsp. andrewsii Jack and Betty Guggolz 1997-5-31 1521 Sonoma South Pine Flat 683 Comment
  CDA30960  Galium bolanderi D. G. Kelch, Troy McGregor 2010-8-22 10 .358 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  JEPS52896  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3907 Sonoma 4.1 mi s Stewart's Point (on Hwy 1, w-facing roadbank near ocean) Comment
  UC1520113  Galium parisiense J. C. Roos 1950-7-22 4875 Sonoma sand bar along stream bed 2 mi e Duncan Mills 60 Comment
  UCD121928  Galium tricornutum R. N. Raynor 1939-1-14 s.n. Sonoma location unknown. Comment
  RSA94299  Galium trifidum Peter Rubtzoff 1951-6-9 152 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UCD166078  Gamochaeta purpurea Peter Rubtzoff 1971-6-5 6519 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA603802  Gamochaeta ustulata D. D. Keck, Jens Clausen 1935-6-15 3370 Sonoma 1 mile north of Salmon Creek (North of mouth of Salmon Creek.) Comment
  RSA790991  Gamochaeta ustulata Peter Rubtzoff 1974-5-25 7458 Sonoma Upper Green Valley Marsh. Comment
  RSA94010  Gamochaeta ustulata Peter Rubtzoff 1951-7-8 398 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  UCD121104  Garrya elliptica Mary M. Hektner 1975-6-3 204 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CDA11138  Garrya fremontii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11549 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  CAS-BOT-BC320559  Gastridium Peter Rubtzoff 1973-7-24 7196 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC278695  Gastridium phleoides J. W. Congdon 1880-8-22 s.n. Sonoma Santa Rosa Comment
  POM188277  Gastridium phleoides Marcus E. Jones 1931-7-5 29208 Sonoma The Geysers. Comment
  CAS-BOT-BC278686  Gastridium phleoides G. DeNevers 1981-5-15 1203 Sonoma Pepperwood Ranch. Shore of Hansel's Lake Comment
  SEINET4571745  Gastridium phleoides L. Koch 1940-4-22 837 Sonoma Grassy hills above Sulfur Creek Geysers Comment
  UC38571  Gastridium ventricosum A. B. Leckenby July 1896 Sonoma Petaluma Comment
  SEINET8718700 Image available Gastridium ventricosum Leo Koch 1940-1 837 Sonoma above Sulfur Creek Geysers Comment
  SEINET7062819  Gaultheria shallon A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  CAS-BOT-BC193255  Genista monspessulana Walter & Irja Knight 1990-5-1 6591 Sonoma Calistoga Road near junction of Porter Creek Road 182 Comment
  UC519223  Genista monspessulana G. H. Vansell 1933-7-25 Sonoma along Russian River Comment
  RSA28626  Gentiana affinis Annetta Carter, E. K. Crum 1941-6-22 1638 Sonoma 3.3 miles E of Bay (Bodega Bay). Comment
  POM264463  Gentiana oregana Annetta Carter, Ethel Crum 1941-6-22 1638 Sonoma 3.3 miles E of Bay (Bodega Bay). Comment
  RSA0026778  Geranium carolinianum Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  SEINET12183465  Geranium dissectum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -180 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  UCD103411  Geranium molle Mary M. Hektner 1976-9-15 268 Sonoma Irena Morgan's garden. Pacific Reach Road, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET3860395  Gilia achilleifolia subsp. achilleifolia George K. Helmkamp, E. A. Helmkamp 2010-6-4 16230 Sonoma North Coast Ranges: Mark West Springs Raod, 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east of Windsor.; 0 155 Comment
  SEINET12329963  Gilia capitata F. H. Utech 1986-1 86 -105 Sonoma ca 3 mi NE on Cavedale Road 250 Comment
  JEPS27966  Gilia capitata subsp. capitata Rimo Bacigalupi and L. Heckard 1961-6-9 7741 Sonoma about 3/4 mi nw Occidental School (along Stoetz Lane, about 1/2 mi nw of its junction with Harrison Grade road); nw of Occidental School 228 Comment
  CAS-BOT-BC225281  Gilia capitata subsp. chamissonis Verne Grant; Alva Grant 1948-7-7 8598 Sonoma Sand dunes near Highway 1, eleven miles north of Bodega Comment
  CAS-BOT-BC225286  Gilia capitata subsp. chamissonis Alice Eastwood 1915-6-29 4824 Sonoma Bodega Point Comment
  UC1753845  Gilia capitata subsp. tomentosa Annetta M. Carter 1947-5-30 1842 Sonoma 2 mi. E of Occidental. Comment
  CAS-BOT-BC266479  Githopsis diffusa Alice Eastwood 1915-6-6 4680 Sonoma Mount St Helena Comment
  RSA436246  Githopsis specularioides P. H. Raven 1965-5-16 20217 Sonoma Near Frantz District School Comment
  CAS-BOT-BC227643  Glyceria Peter Rubtzoff 1968-8-24 5935 Sonoma Upper Salmon Creek Marsh. Comment
  UCD148471  Glyceria Peter Rubtzoff 1964-5-30 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  RSA786491  Glyceria declinata Peter Rubtzoff 1964-5-30 5325 Sonoma Santa Rosa Creek area about 1 mi E of the Laguna de Santa Rosa. Comment
  CAS-BOT-BC282729  Glyceria elata Peter Rubtzoff 1951-6-10 204 Sonoma South of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282732  Glyceria elata Peter Rubtzoff 1960-5-22 4414 Sonoma Laguna de Santa Rosa area east of Graton between Occidental and Guwerneville Roads Comment
  SEINET10926269  Glyceria fluitans A. Arthur Heller 1902-5-24 Heller 5606 Sonoma Near Sonoma. Comment
  RSA786604  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5384 Sonoma Coleman Marsh. Comment
  UCR280126  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5384 Sonoma Coleman Marsh 269 Comment
  RSA796404  Glyceria striata Peter Rubtzoff 1974-7-13 7673 Sonoma Upper Green Valley Marsh. Comment
  RSA94014  Glyceria striata Peter Rubtzoff 1951-6-9 160 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  RSA136603  Glycyrrhiza lepidota Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  UCD105811  Glycyrrhiza lepidota Freed W. Hoffman 1946-8-16 785 Sonoma Near Guerneville. Gravel bar, Russian River. Comment
  CAS-BOT-BC166706  Gnaphalium Peter Rubtzoff; Nancy Harrison 1974-9-7 7883 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC173577  Gnaphalium Peter Rubtzoff 1969-11-2 6207 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD166308  Gnaphalium Peter Rubtzoff 1966-8-29 5815 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164669  Gnaphalium purpureum Peter Rubtzoff 1960-5-22 4413 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC164664  Gnaphalium purpureum Peter Rubtzoff 1971-6-5 6519 Sonoma Intermittent lake off wst side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC251252  Gratiola Peter Rubtzoff 1972-5-25 6756 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC261652  Gratiola Peter Rubtzoff; H. A. Froebe 1971-5-30 6495 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC251302  Gratiola ebracteata Peter Rubtzoff 1955-7-30 1992 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC251303  Gratiola ebracteata Peter Rubtzoff 1961-7-22 4664 Sonoma Bennett Mountain Lake. Comment
  JEPS87218  Gratiola ebracteata Jack and Betty Guggolz 1992-5-6 1280 Sonoma about 1 1/4 mi nw Windsor 42 Comment
  UCD158823  Grindelia James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2896 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  RSA785749  Grindelia Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC305175  Grindelia hirsutula F. T. Bioletti 1891-1-1 s.n. Sonoma Glen Ellen Comment
  UC87905  Grindelia hirsutula J. W. Congdon April 1880 Sonoma Petaluma Comment
  CAS-BOT-BC305169  Grindelia hirsutula Walter Knight; Irja Knight 1963-10-29 434 Sonoma Between Two Rock Ranch and County Line Comment
  RSA0001224  Grindelia hirsutula var. brevisquama J. T. Howell 1930-6-8 5221 Sonoma 8 miles w. of Petaluma. Comment
  CAS-BOT-BC123707  Grindelia hirsutula var. hirsutula John Thomas Howell 1930-7-13 5338 Sonoma Black Point Road Comment
  UCD160836  Grindelia nana James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3371 a Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC302255  Harmonia nutans J. Clausen 1935-5-23 1073 Sonoma Petrified Forest, near entrance Comment
  JEPS40061  Harmonia nutans R. Kuhn 1914-10-5 Sonoma Sonoma Comment
  UC30652  Harmonia nutans F. T. Bioletti 1892-5-15 Sonoma Hood's Peak; ; Hood's Peak, Sonoma Co. Comment
  CAS-BOT-BC306331  Hedypnois cretica Ella Dales Cantelow 1941-4-14 3509 Sonoma Mouth of Salmon Creek nr. ocean Comment
  CAS-BOT-BC262954  Helenium puberulum Peter Rubtzoff 1959-9-19 4286 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC262959  Helenium puberulum Peter Rubtzoff 1979-8-6 9303 Sonoma Knights Valley, off south side of Bavarian Lion Company ranch road (between it and a creek) 1.25 - 1.5 miles west of its junction with Franz Valley Road (0.4 miles south of Hwy. 128). Comment
  CAS-BOT-BC309587  Helenium puberulum A. A. Heller 1902-7-1 5795 Sonoma At Sebastopol Comment
  UCD151000  Helianthella californica D. S. Park; S. Nicole 2010-5-11 79 Sonoma Bodega hwy. Comment
  UC194163  Helianthella californica subsp. californica Michener and Bioletti 1893-6-1 Sonoma Wood's Ranch Comment
  CAS-BOT-BC314740  Helianthella californica var. californica Greg de Nevers 1987-4-25 8165 Sonoma 3500 Franz Valley Road, Pepperwood Ranch Natural Preserve, Santa Rosa 400 Comment
  CAS-BOT-BC305968  Helminthotheca echioides Dorothy Scherer 1996-9-5 060 Sonoma Windemere Point, waste areas, nw corner of Fort Ross State Historic Park 30 Comment
  CAS-BOT-BC262968  Hemizonia Peter Rubtzoff 1970-9-3 6379 Sonoma Marsh off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek. Comment
  UCD165329  Hemizonia Peter Rubtzoff 1973-8-27 7260 Sonoma Upper Green Valley Marsh area. Comment
  UCR244619  Hemizonia Peter Rubtzoff 1969-7-25 6122 Sonoma Vernal pool area, 6.5 mi northeast of Penngrove on Lichau Road 427 Comment
  UCD166493  Hemizonia Peter Rubtzoff 1962-10-23 5120 Sonoma Laguna de Santa Rosa area East of Graton, east of Cunningham (near Llano Road). Comment
  RSA81625  Hemizonia congesta James I. McMurphy 1909-8-9 s.n. Sonoma 1 mile S of Sonoma. Comment
  CAS-BOT-BC306233  Hemizonia congesta subsp. congesta A. A. Heller 1902-6-4 5637 Sonoma Santa Rosa Comment
  CAS-BOT-BC306245  Hemizonia congesta subsp. congesta James I. McMurphy 1909-5-28 s.n. Sonoma 2 miles south of Fulton Comment
  CDA6570  Hemizonia congesta subsp. congesta T. C. Fuller 1958-5-24 3992 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  SDSU4572  Hemizonia congesta subsp. congesta D. F. Howe 1962-7-29 3364 Sonoma 4.3 miles north of Jenner on #1. 122 Comment
  SEINET7067333  Hemizonia congesta subsp. congesta A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles East of Windsor on Faught Road. Coordinate datum: NAD27. UTM Zone 10, 521654mE, 4261292mN. Comment
  UCD132982  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-4-25 1037 Sonoma approximately 1/4 mile north of Arata Lane and between Hwy 101 and Old Redwood Highway. Comment
  CAS-BOT-BC309672  Hemizonia congesta subsp. lutescens A. A. Heller 1902-8-20 6054 Sonoma At Sebastopol Comment
  CAS-BOT-BC309680  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 miles ne. of Penngrove 243 Comment
  CAS-BOT-BC309684  Hemizonia congesta subsp. lutescens R. F. Hoover 1969-8-31 11567 Sonoma Adobe Road and Casa Grande Road near Petaluma Comment
  CAS-BOT-BC309713  Hemizonia congesta subsp. lutescens David D. Keck 1933-11-6 2652 Sonoma 1/2 mi. S. of Jenner Comment
  UC483683  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-9 5746 Sonoma 1 mi e Occidental Comment
  CAS-BOT-BC309689  Hemizonia congesta subsp. lutescens Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5841 Sonoma Llano Road. Near sewage disposal plant at Laguna de Santa Rosa Comment
  CAS-BOT-BC309940  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2731 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CAS-BOT-BC309963  Hemizonia congesta subsp. luzulifolia J. McMurphy 1910-6-8 s.n. Sonoma Near Shellville Comment
  UCD132140  Hemizonia congesta subsp. luzulifolia Frederica Bowcutt 1994-6-24 1889 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  CDA29448  Hemizonia fitchii Unknown 2009-6-25 PDR# 1535007 Sonoma In the vicinity of Santa Rosa. 0 Comment
  RSA216761  Hemizonia lutescens Robert F. Hoover 1969-8-31 11567 Sonoma Adobe Road and Casa Grande Road near Petaluma. Comment
  RSA81679  Hemizonia multicaulis subsp. vernalis James I. McMurphy 1909-5-28 s.n. Sonoma About 1 mile W of Santa Rosa. Comment
  SEINET11845321  Hemizonia multicaulis subsp. vernalis C. F. Quibell 1976-1 1369 Sonoma Marshall-Petaluma Rd Comment
  UC581114  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8098 Sonoma Highway between Santa Rosa and Healdsburg Comment
  UCD111465  Hesperocnide tenella P. G. Connors 1995-6-2 342 Sonoma Bodega Head and Dunes. Comment
  OBI70563  Hesperocyparis macnabiana D. G. Kelch 2007-5-13 7 .284 Sonoma Cavedale Rd 518 Comment
  JEPS18146  Hesperolinon micranthum Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5669 Sonoma vicinity of The Cedars (near Layton Chromite Mine); headwaters of Big Austin Creek 266 Comment
  UC762262  Hesperolinon spergulinum R. F. Hoover 1942-7-6 5913 Sonoma ridge s The Geysers Comment
  UCD168047  Heterotheca oregona James A. Neilson Jr. 1983-10-24 4103 Sonoma Mayacmas Mountains, Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC311021  Heterotheca oregona G. DeNevers; S. Castagnoli 1981-8-2 1797 Sonoma Pepperwood Ranch. Along Mark West Creek Comment
  CAS-BOT-BC311059  Heterotheca oregona var. oregona Greg de Nevers 1992-7-25 10229 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Mark West Creek 304 Comment
  CDA7880  Heterotheca oregona var. rudis T. R. Haig 1959-11-4 Sonoma 5 miles north of Cloverdale. 0 Comment
  CAS-BOT-BC311221  Heterotheca sessiliflora subsp. echioides Peter Rubtzoff 1975-8-16 8329 Sonoma Annadel State Park. Near trail between Bennett Mtn. Lake and Bennett Ridge Road (south of Bennett Mtn. Lake) Comment
  JEPS23929  Heuchera micrantha var. diversifolia Volney Rattan 1877-1 Sonoma Guerneville Comment
  CAS-BOT-BC420945  Heuchera micrantha var. diversifolia G. DeNevers 1981-6-6 1464 A Sonoma Pepper wood Ranch. Woodland on N slope of Telegraph Hill Comment
  CAS-BOT-BC424437  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Steep slope of a canyon near Bodega Bay Comment
  CDA5016  Hibiscus trionum E. P. Delfino 1959-11-3 Sonoma 199 West Matheson, Santa Rosa. 0 Comment
  CDA30998  Hoita macrostachya D. G. Kelch, Troy McGregor 2010-8-22 10 .351 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CAS-BOT-BC280789  Holcus lanatus G. DeNevers 1981-6-15 1565 Sonoma Pepperwood Ranch. Along Franz Creek Comment
  CAS-BOT-BC320403  Holocarpha virgata Milo S. Baker 1945-7-17 11106 Sonoma Field S of Guerneville Hiwy about 6 mi from Santa Rosa Comment
  UCD38483  Holodiscus discolor Beecher Crampton 1955-6-17 2957 Sonoma 5 miles west of Cazadero, road to Fort Ross. Comment
  CAS-BOT-BC166736  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake. Comment
  CDA10938  Holozonia filipes G. F. Hrusa 1994-6-14 11888 Sonoma North Coast Biodiversity Arena; W of Hogback Mtn. Nathanson Creek, immediately below private dam, approximately 1.5 miles above end of Gehricke Rd. Comment
  RSA783729  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake. Comment
  SEINET10933146  Hookera terrestris A. Arthur Heller 1940-5-10 Heller 15602 Sonoma Scattered plants on a grassy slope near the Ocean between Fort Rosa and Stewart's Point. Humid Transition Life Zone. Comment
  UCD85388  Hordeum brachyantherum P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC289282  Hordeum brachyantherum subsp. brachyantherum David L. Morgan 1956-5-13 s.n. Sonoma On Watmaugh Road, 1/2 mi. W. of junciton of Arnold Drive Comment
  CAS-BOT-BC289283  Hordeum brachyantherum subsp. brachyantherum Walter Knight; Irja Knight; J. T. Howell 1987-5-22 6271 Sonoma Todd Road Preserve 24 Comment
  UC1587967  Hordeum brachyantherum subsp. brachyantherum M. Barkworth, D. Amme 1989-6-15 5173 Sonoma s end Bodega Head; s end Bodega Head Comment
  UC50658  Hordeum brachyantherum subsp. brachyantherum A. B. Leckenby 1896-6-9 Sonoma Petaluma Comment
  JEPS128384  Hordeum brachyantherum subsp. californicum Roger Raiche 2000-5-27 113 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC285192  Hordeum marinum subsp. gussoneanum David L. Morgan 1956-5-13 s.n. Sonoma 2.5 miles west of Petaluma on the I Street extension road Comment
  RSA128787  Hordeum murinum subsp. glaucum P. H. Raven 1950-4-6 1561 Sonoma Cotati to Santa Rosa. 30 Comment
  RSA128792  Hordeum vulgare P. H. Raven 1950-4-6 1556 Sonoma Cotati to Santa Rosa. 30 Comment
  CAS-BOT-BC536157  Horkelia californica John Thomas Howell 1930-6-8 5279 Sonoma 8 miles north of Bodega Bay Comment
  CAS-BOT-BC536170  Horkelia californica var. elata Milo S. Baker 1930-5-31 4150 b Sonoma Russian River east of Healdsburg above Buttes Comment
  JEPS97512  Horkelia tenuiloba Dean Schlichting 2000-5-31 Sonoma 1/2 mi E of Annapolis Comment
  OBI10083  Horkelia tenuiloba Lauramay T. Dempster 1958-5-24 1106 Sonoma Vine Hill, along road Comment
  UCD160894  Hosackia crassifolia James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3273 Sonoma Mayacmas Mountains, Caldwell Pines area, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC290637  Hypericum Peter Rubtzoff 1974-6-9 7583 Sonoma Upper Green Valley Marsh. Comment
  UCD110316  Hypericum calycinum Frederica Bowcutt 1984-6-24 463 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma county coast. Old home site near existing barn just of park road. Northwest of Gerstle Cove approx. 1/2 mile. 30 Comment
  OBI48678  Hypericum concinnum Michener & Bioletti, Bioletti June 1893 s.n. Sonoma Hood's peak Comment
  UCD110355  Hypericum concinnum Frederica Bowcutt 1994-6-24 1884 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Lower Bald Mountain Trail. 396 Comment
  CAS-BOT-BC401290  Hypericum perforatum Peter Rubtzoff 1956-9-16 2922 A Sonoma Vacation Beach, near Guerneville Comment
  UCD160833  Hypericum perforatum subsp. perforatum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3355 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC316686  Hypochaeris glabra Greg de Nevers 1987-4-25 8157 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC316681  Hypochaeris glabra A. A. Heller 1902-6-7 5661 Sonoma Bennett Valley southeast of Santa Rosa Comment
  CAS-BOT-BC316717  Hypochaeris radicata John H. Thomas 1976-6-16 18270 Sonoma Southern part of Sea Ranch, northwestern part of county about 7 miles south of Gualala 30 Comment
  SBBG21186  Hypochaeris radicata V. Haraden 1941-7-13 9 Sonoma ca. 1 mi N of head of Bodega Bay Comment
  SD88575  Iris douglasiana Darley F. Howe 1972-5-4 Sonoma Near Duncan Mills Pond. 152 Comment
  UC72230  Iris douglasiana Milo S. Baker 1898-4-3 Sonoma between Guerneville and Cazadero Comment
  SEINET10529075  Iris douglasiana R. D. Sage 1992-1-11 Sage 13410 Sonoma Collected along graton rd, 1-2 km e-ne from occidental. Comment
  UCD138724  Iris fernaldii Frederica Bowcutt 1994-5-1 1761 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE Kenwood. Along Sonoma Creek just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed trail about 30 yards from trail head. 198 Comment
  RSA261388  Iris fernaldii Johann D. Watjen 1969-4-27 22 Sonoma Adobe Canyon, 3 miles east of Highway 12, 11 miles north of Sonoma Comment
  RSA48723  Iris fernaldii Lee W. Lenz 1949-5-2 14427 Sonoma Santa Rosa - Calistoga Road, 0.5 mile from junction with road to Mark West Springs 610 Comment
  CAS-BOT-BC133678  Iris longipetala Peter Rubtzoff 1962-6-19 4925 Sonoma Occidental Marsh Comment
  RSA123134  Iris macrosiphon E. Armstrong 1934-3-26 937 Sonoma 4 miles north of Camp Meeker 91 Comment
  JEPS128286  Iris purdyi Roger Raiche 2005-4-9 008 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA135851  Iris purdyi E. K. Balls, Lee W. Lenz 1951-5-10 16539 Sonoma 1.8 miles northwest of junction of Highway 101 and Highway 28, road to Yorkville Comment
  UCD166138  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road. 427 Comment
  UCR254909  Isoetes Greg de Nevers 1997-5-30 11010 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1618153  Isoetes howellii J. C. Game 1996-5-25 96 /41 Sonoma ca 15 mi nw of Warm Springs Dam (along Rockpile Rd, in Rockpile Ranch) Comment
  JEPS79612  Isoetes howellii Edward Lee 1974-5-11 Sonoma Laguna R.R. bridge Sebastopol Comment
  CAS-BOT-BC61918  Isoetes nuttallii John Thomas Howell 1947-6-26 23301 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC112573  Isolepis cernua Peter Rubtzoff 1954-8-9 1660 Sonoma Bodega Head Marsh. Comment
  HSC85561  Isolepis cernua Robert A. Norris, John L. Inase, Allen Nakagawa, Willie J. Roberts, Michael Kurtz, Nelson R. Powers 1982-8-8 4434 Sonoma Near Goat Rock picnic area across mouth of Russian River from Jenner, Sonoma State Beach Comment
  SEINET4170787 Image available Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Just north of Salmon Creek Comment
  CAS-BOT-BC157995  Juncus Peter Rubtzoff 1968-6-25 5906 Sonoma Lichan Marsh Comment
  UCR250377  Juncus balticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh 71 Comment
  UCR250390  Juncus balticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh Comment
  SEINET6744751 Image available Juncus bolanderi Marcus E. Jones 1882-1 3523 Sonoma Duncan's Mills Comment
  UC842252  Juncus bolanderi Marcus E. Jones, A. M. 1882-7-17 3523 Sonoma Duncan's Mills Comment
  UCD141358  Juncus bufonius J. Adams; J. Weick, Bot. 102 1993-5-8 281 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Comment
  UC2506  Juncus bufonius var. bufonius J. Burtt Davy 1894-6-17 Sonoma Knights Valley Comment
  CAS-BOT-BC173568  Juncus bufonius var. congestus Peter Rubtzoff; Nancy Harrison 1974-9-7 7860 Sonoma Hinebaugh Creek in Rohnert Park. West of Commerce Blvd. crossing Comment
  CAS-BOT-BC182749  Juncus dubius Peter Rubtzoff; Nancy Harrison 1978-5-20 9187 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley Comment
  RSA94455  Juncus dubius Peter Rubtzoff 1951-7-7 356 Sonoma Pitkin Marsh, near Forestville; Western branch of the upper marsh. Comment
  CAS-BOT-BC164038  Juncus effusus Peter Rubtzoff 1970-8-19 6337 Sonoma Sonoma: Austin Creek bank, 0.5 mi. north of Cazadero Comment
  CAS-BOT-BC157986  Juncus hesperius Peter Rubtzoff 1954-8-3 1634 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC173634  Juncus kelloggii Peter Rubtzoff 1972-4-23 6732 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC328114  Juncus lescurii Peter Rubtzoff 1954-7-26 1559 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC329266  Juncus lescurii Peter Rubtzoff 1955-8-20 2068 Sonoma Bodega Harbor Marsh. Comment
  RSA0015643  Juncus lescurii Peter Rubtzoff 1955-8-20 2080 Sonoma Bodega Harbor Marsh. Comment
  UC143757  Juncus patens A. A. Heller 1902-6-10 5680 Sonoma Santa Rosa Comment
  UC589957  Juncus phaeocephalus var. paniculatus H. S. Yates 1936-5-16 5596 Sonoma 2 mi se Forestville; Sebastopol Quad., Pitkin Marsh 30 Comment
  UCD142819  Juncus xiphioides Frederica Bowcutt 1997-7-18 2179 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  UCD142832  Juncus xiphioides Frederica Bowcutt 1994-6-24 1895 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from bald Mountain Trail to Headwaters Trail. 554 Comment
  UC169319  Keckiella corymbosa Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6009 Sonoma Austin Creek Comment
  UC1132153  Koeleria macrantha H. S. Yates 1937-5-3 6561 Sonoma 1 1/2 mi wnw Mark West Springs; Calistoga Quadrangle Comment
  RSA93404  Koeleria macrantha Milo S. Baker 1950-5-20 12223 Sonoma Summit above Coleman Ranch, Hope Valley, near Kenwood Comment
  CAS-BOT-BC273781  Koeleria pyramidata Mary P. Wells 1985-4-27 505 A Sonoma Monan's Rill (no. of St. Helena Road & east of Calistoga Road) Comment
  CAS-BOT-BC273786  Koeleria pyramidata G. DeNevers 1981-6-6 1474 Sonoma Pepperwood Ranch. At top of Telegraph Hill Comment
  CAS-BOT-BC499665  Kopsiopsis strobilacea Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC340484  Lactuca saligna John Thomas Howell 1957-10-12 33001 Sonoma About 1 mi. sw. of Sonoma Comment
  CAS-BOT-BC340657  Lactuca serriola Walter Knight; Irja Knight 1963-10-6 489 Sonoma Skillman Lane, Petaluma Comment
  CAS-BOT-BC166951  Lagophylla Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC274318  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point Comment
  UCD63273  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point. Comment
  UCD34820  Lamarckia aurea Beecher Crampton 1963-5-27 6813 Sonoma Sonoma County, border with Mendocino County, ca. 3 - 4 miles north of Cloverdale. Comment
  POM230561  Lamium amplexicaule J. T. Howell 1937-4-11 12910 Sonoma M.S. Baker s place near Kenwood. Comment
  CAS-BOT-BC324926  Lasthenia burkei Peter Rubtzoff 1963-6-6 5165 Sonoma Laguna de Santa Rosa east of Graton Comment
  UC1594209  Lasthenia burkei L. Huntington 1990-4-4 252 Sonoma 1100' e of sharp bend in Lytton Station Rd.; Lytton area 51 Comment
  RSA0008453  Lasthenia burkei Peter Rubtzoff 1974-5-26 7492 Sonoma Todd road 1.5 mi from Hwy and 0.5 mi from W of Llano Road Comment
  SEINET7067258  Lasthenia californica A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  RSA585976  Lasthenia californica Adree M. Desrochers 1989-4-18 451 Sonoma 12 miles S of Fort Ross State Historic Park; on W side of Hwy 1. Comment
  CAS-BOT-BC324412  Lasthenia californica subsp. macrantha Paul F. Covel 1938-7-11 1426 Sonoma Near Salmon Beach Comment
  HSC82070  Lasthenia glaberrima Thomas W. Nelson, Jane P. Nelson 1980-5-3 5124 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  UC1224622  Lasthenia glaberrima Peter H. Raven 1963-4-28 18254 Sonoma 4.7 mi s El Verano (on Arnold Dr.) Comment
  UC978119  Lasthenia glaberrima L. Beane and Lois E. James 1949-5-16 1947 Sonoma ca. 3 mi s Healdsburg Comment
  RSA177051  Lasthenia glaberrima Peter H. Raven 1963-4-28 18254 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  CAS-BOT-BC370852  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  UCD166083  Lathyrus Peter Rubtzoff 1971-6-23 6551 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CDA34802  Lathyrus angulatus Peter Warner 2010-5-6 146 Sonoma Annadel State Park, E side of Lake Ilsanjo at picnic tables, near Richardson Trail. Comment
  CHSC96769  Lathyrus hirsutus A. Stephens 2005-6-16 1293626 Sonoma North Coast Range. Sonoma County. Rangeland at 8617 Petaluma Hill Rd, Petaluma. Comment
  UCD106362  Lathyrus latifolius Terri Williamson 1990-5-20 45 Sonoma Bayflat Rd., Bodega Bay. 3 Comment
  UCD106668  Lathyrus tingitanus Donna Allen 1977-5-24 s.n. Sonoma Dry cr. Rd. next to bridge at site of proposed dam. Comment
  SD254612  Lathyrus vestitus Ann Howald 2015-4-1 3333 Sonoma North Coast Ranges; Stewarts Point-Skaggs Springs Rd. 16.7 miles west of intersection with Rockpile Rd., Wolf Creek drainage. 294 Comment
  POM277788  Lathyrus vestitus subsp. vestitus Lyman Benson 1928-3-24 93 Sonoma Geyserville 152 Comment
  UC1128950  Lathyrus vestitus var. vestitus E. Armstrong 1934-3-26 928 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. 121 Comment
  CAS-BOT-BC323230  Layia chrysanthemoides David D. Keck 1931-4-1 992 Sonoma 2 miles N of Sears Point (9 miles S of Sonoma), southern Sonoma County. 10 Comment
  CAS-BOT-BC323257  Layia chrysanthemoides Alice Eastwood 1921-4-24 10395 Sonoma Santa Rosa Comment
  CAS-BOT-BC323234  Layia chrysanthemoides A. A. Heller; H. E. Brown 1902-4-23 5355 Sonoma Near Sonoma Comment
  RSA785922  Layia chrysanthemoides Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC313745  Layia chrysanthemoides subsp. maritima J. Clausen 1935-5-24 1090 Sonoma 6.2 miles S of Jenner Comment
  CAS-BOT-BC379620  Layia platyglossa A. A. Heller 1903-4-23 6608 Sonoma Fort Ross Comment
  CAS-BOT-BC379624  Layia platyglossa Alice Eastwood 1915-6-29 4836 Sonoma Bodega Point Comment
  UCD133980  Layia platyglossa Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 41 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC763124  Ledum glandulosum R. F. Hoover 1939-5-30 4112 Sonoma Perry's Twin Pines Ranch near Sebastopol; Perry's Twin Pines Ranch Comment
  CAS-BOT-BC312696  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC274365  Leersia oryzoides Greg de Nevers 1992-6-26 10191 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. Franz Creek 91 Comment
  CAS-BOT-BC210096  Lemna gibba Peter Rubtzoff 1969-7-5 6106 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  CAS-BOT-BC527253  Lemna gibba Peter Rubtzoff 1961-8-6 4674 Sonoma Americano Creek 1/2 mile east of Valley Ford, Sonoma County Marshes Comment
  SEINET8715371 Image available Lemna gibba Leo Koch 1940-1 1011 Sonoma On surface of pond in hills behind Fountaingrove Vineyard three miles north of Santa Rosa along Highway 101. Comment
  CAS-BOT-BC527287  Lemna minuta Peter Rubtzoff 1951-7-8 385 Sonoma Lower part of teh Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC89150  Lepidium didymum Walter Knight; Irja Knight 1963-8-13 173 Sonoma Horseshoe Cove. Comment
  CAS-BOT-BC89740  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on highway to Lakeville. Comment
  UCSC000315  Lepidium nitidum I. J. Condit 2013-3-7 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC12756  Lepidium oxycarpum David D. Keck 1931-4-1 996 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma). 10 Comment
  JEPS53734  Lepidium perfoliatum R. Kuhn Jun 1914 Sonoma near Sonoma (along the road at Buena Vista); Buena Vista Comment
  CAS-BOT-BC273998  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1956-9-11 2851 Sonoma Vacation Beach, near Guerneville Comment
  RSA54040  Leptosiphon acicularis J. T. Howell 1948-4-18 s.n. Sonoma Hills east of Agua Caliente. Comment
  SBBG53027  Leptosiphon androsaceus M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site Comment
  HSC101103  Leptosiphon parviflorus Peter Warner 2011-4-22 237 Sonoma Pepperwood Preserve, Franz Valley Rd., ~9 mi. N of Santa Rosa; on NW slope of 3 Tree Hill, ~350 m W296 deg. N fr. hilltop at gravel parking area 406 Comment
  RSA0001374  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa. Comment
  JEPS86745  Lessingia ramulosa Jack and Betty Guggolz 1990-9-17 1093 Sonoma on creek just below reservoir (about one mi n of Camp Meeker); Grub Creek 79 Comment
  SEINET10618325 Image available Lessingia ramulosa A. Arthur Heller 1902-8-18 Heller 6049 Sonoma Santa Rosa. Comment
  UCR246786  Leucojum aestivum Ramona Robison 2012-2-15 s.n. Sonoma Santa Rosa, Annadel State Park 351 Comment
  CAS-BOT-BC283528  Leymus X vancouverensis Alice Eastwood 1915-6-29 4876 Sonoma Bodega Point Comment
  CAS-BOT-BC273567  Leymus californicus M. S. Baker 1942-5-23 10198 Sonoma 2 1/2 miles west of Bodega town turning right in town Comment
  CAS-BOT-BC272175  Leymus triticoides Jos. Burtt Davy 1897-9-18 4037 Sonoma Roadside bank near Petaluma Comment
  CAS-BOT-BC451704  Lilaea scilloides Greg de Nevers 1992-5-5 10142 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC451690  Lilaea scilloides Milo S. Baker 1927-4-10 2054 b Sonoma Macartney Hills in Water Hole Comment
  CAS-BOT-BC451694  Lilaea scilloides Peter Rubtzoff 1970-11-18 6425 Sonoma 1 mi. southeast of Bloomfield. Comment
  CAS-BOT-BC451699  Lilaea scilloides John Thomas Howell 1951-5-28 s.n. Sonoma Laguna east of Sebastopol Comment
  CAS-BOT-BC451700  Lilaea scilloides Alice Eastwood 1921-4-24 10362 Sonoma Santa Rosa Comment
  CAS-BOT-BC451709  Lilaea scilloides Peter Rubtzoff 1955-5-7 1815 Sonoma Ross Marsh. Comment
  SEINET11763375  Lilaea scilloides Michener, Bioletti 1892-1 s.n. Sonoma Shellville Comment
  CAS-BOT-BC130831  Lilium pardalinum Peter Rubtzoff 1955-7-24 1991 Sonoma Guerneville Marsh Comment
  UC1057461  Limnanthes douglasii G. Thomas Robbins 1937-5-23 180 Sonoma near Wright School (along road between Santa Rosa and Sebastopol) Comment
  SEINET6670406  Limnanthes douglasii M. S. Baker 1898-5-7 632 Sonoma Glen Ellen Comment
  RSA74463  Limnanthes douglasii subsp. rosea Milo S. Baker 1947-6-26 11835 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  SEINET5556953  Limnanthes douglasii var. nivea H. S. Gentry 1962-1 19701 Sonoma Oakville. Comment
  SEINET5586467  Limnanthes douglasii var. nivea Paul But 1975-1 990 Sonoma Western end of Sebastopol city limit. Comment
  CAS-BOT-BC123078  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Rd., 1.4 mi from Hwy 116 and 0.6 mi. from Llano Rd. Comment
  UCD166114  Limosella Peter Rubtzoff 1972-5-25 6751 Sonoma Laguna, Chileno Valley. Comment
  UCR279882  Limosella acaulis Peter Rubtzoff 1964-8-20 5469 Sonoma 1 mile southeast of Jenner; near crossing of Hwys 1 & 12 4 Comment
  SEINET7075496  Linanthus ciliatus A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  UC73620  Linanthus dichotomus Milo S. Baker Apr 1898 687 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC540822  Linum Peter Rubtzoff 1974-6-2 7522 Sonoma Upper Green Valley Marsh. Comment
  CHSC114678  Linum trigynum Peter Warner 2010-5-16 167 Sonoma Jenner Headlands, Knoll Field, 203m, s244 deg. W of residence house, on S-facing slope of knoll in coastal grassland. UTM 10S: 489308E, 4256990N 230 Comment
Read comments
May 27 2016
  SEINET12030991  Lithocarpus densiflorus F. H. Utech 1988-1 88 -209 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CAS-BOT-BC36013  Lithocarpus densiflorus var. densiflorus Peter Rubtzoff 1953-5-17 1388 Sonoma South of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC430800  Lithophragma affine Alice Eastwood 1921-4-24 10374 Sonoma Santa Rosa Comment
  UC75663  Lithophragma affine Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  CAS-BOT-BC430585  Lithophragma affine G. DeNevers 1981-4-11 697 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC437152  Lithophragma heterophyllum Elmer I. Applegate 1934-3-25 8844 Sonoma Sausal Creek, Pine Flat road, foothills of the Cayamaca Mountains Comment
  JEPS47676  Lithophragma heterophyllum Willis L. Jepson 1893-5-1 13473 Sonoma hills between Calistoga and road to Knight's Valley (Napa River Basin); , btw Calistoga and rd to Knight's Valley Comment
  CAS-BOT-BC283288  Lolium multiflorum Peter Rubtzoff 1951-7-7 380 Sonoma Pitkin Marsh, near Forestville. E branch of the Upper Marsh Comment
  UCD66013  Lolium multiflorum Gerry North 1993-4 17 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  CAS-BOT-BC283293  Lolium multiflorum David L. Morgan 1961-5-17 s.n. Sonoma Watkins Ranch, 0.25 mile NW of Penngrove Comment
  UCR218641  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2010-6-4 16221 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  SEINET8465350 Image available Lomatium californicum F. Almeda, G. DeNevers 1981-4-28 4907 Sonoma Approximately 5 mi from main gate to Pepperwood Ranch Natural Preserve just off Franz Valley Rd. Comment
  RSA452569  Lomatium caruifolium Christopher Davidson 1977-6-20 6011 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  SEINET7042396  Lomatium dasycarpum A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  JEPS79430  Lomatium macrocarpum Nancy Harrison 1980-4-6 2095 Sonoma near Glen Ellen (Sonoma Valley Park, s. on cow trail going down steep slope); Sonoma Valley Park Comment
  CAS-BOT-BC217808  Lomatium repostum Walter Knight; Irja Knight 1985-7-21 6256 Sonoma Pine Flat Rd. Comment
  SD71327  Lomatium repostum John Thomas Howell 1966-6-2 41551 Sonoma Hills east of Agua Caliente Comment
  UC1348909  Lomatium repostum Robert F. Thorne 1965-4-20 34326 Sonoma ca. 2 1/2 mi N of Santa Rosa (1 mi N of Sonoma Co. Hosp., Parker Hill Rd.) 106 Comment
  CAS-BOT-BC217810  Lomatium repostum Alice Eastwood 1923-5-9 11740 Sonoma Hills above Calistoga Comment
  CAS-BOT-BC361356  Lomatium repostum Greg de Nevers 1997-4-16 10942 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  UC333728  Lomatium utriculatum Hy. Edwards May 1877 316 Sonoma Knights Valley Comment
  UCD35660  Lonicera hispidula Beecher Crampton 1959-6-16 5397 Sonoma 1 mile northeast of Freestone. Comment
  CAS-BOT-BC243997  Lonicera involucrata var. ledebourii G. DeNevers 1981-3-14 530 Sonoma Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge, Pepperwood Ranch Comment
  CAS-BOT-BC244008  Lonicera involucrata var. ledebourii Peter Rubtzoff 1952-3-23 898 Sonoma North of the Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC244010  Lonicera involucrata var. ledebourii Peter Rubtzoff 1962-8-22 5047 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC241419  Lonicera japonica Peter Rubtzoff 1952-5-31 1130 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west Comment
  CAS-BOT-BC293679  Lotus Peter Rubtzoff; Nancy Harrison 1974-9-7 7870 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  CAS-BOT-BC293682  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  UC604131  Lotus angustissimus Milo S. Baker 1938-8-15 9229 Sonoma just beyong Wrights Beach (Coast Highway) Comment
  OBI13230  Lotus angustissimus Robert F. Hoover 1964-9-8 9287 Sonoma KolmerGulch (near Fort Ross) Comment
  JEPS55455  Lotus formosissimus Robert Percy Brandt 1915-5-18 Sonoma Del Mar Comment
  RSA620425  Lotus formosissimus Peter Rubtzoff 1959-5-30 4061 Sonoma Freestone Marsh. Comment
  UC207659  Lotus grandiflorus Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  UCR44916  Lotus humistratus L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  SEINET12166761  Lotus humistratus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -235 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC424789  Lotus junceus var. biolettii Milo S. Baker Apr 1930 4845 b Sonoma near Plantation Comment
  CDA36838  Lotus micranthus CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC864836  Lotus micranthus Lewis S. Rose 1940-5-5 40265 Sonoma Sonoma Creek Canyon 304 Comment
  RSA155472  Lotus oblongifolius L. S. Rose 1962-6-1 62062 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  SEINET3729647  Lotus purshianus A. A. Heller 1941-8-8 16278 Sonoma West of Petrified Forest Comment
  UC864759  Lotus purshianus var. purshianus Lewis S. Rose 1938-9-11 38255 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC290621  Ludwigia Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD66028  Ludwigia hexapetala B. J. Grewell 2006-8-25 06- 53 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Gallo's Laguna Ranch, downstream of Guerneville Rd Bridge/gaging stn. East of Hwy 116, Sebastopol across channel from Laguna Wastewater Treatment Delta Pond discharge. 16 Comment
  UCD66030  Ludwigia hexapetala B. J. Grewell 2006-7-21 06- 22 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Gallo's Laguna Ranch, downstream of Guerneville Rd Bridge/gaging stn. East of Hwy 116, Sebastopol across channel from Laguna Wastewater Treatment Delta Pond discharge. 16 Comment
  UCD78331  Ludwigia hexapetala B. J. Grewell 2005-11-21 05- 45 -LU Sonoma Local tributary to Mark West Creek, n. side River Road, Santa Rosa across rd. from Martinelli Winery. Within Laguna de Santa Rosa sub-basin of the Russian River Watershed. 28 Comment
Read comments
Aug 10 2011
  RSA94087  Ludwigia palustris var. pacifica J. T. Howell 1945-8-14 21386 Sonoma Perry Marsh Comment
  CAS-BOT-BC164642  Ludwigia peploides Peter Rubtzoff 1955-9-10 2134 Sonoma East Guernewood, near Guerneville along Russian River. Comment
  UCD166501  Ludwigia peploides Peter Rubtzoff 1961-8-24 4711 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  UCR280184  Ludwigia peploides Peter Rubtzoff 1958-7-20 3782 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road) 30 Comment
  CAS-BOT-BC201289  Lupinus Milo S. Baker 1948-7-3 12059 Sonoma Millstation Rd near Post Box 39 Rt 1, .4 mi West of Gravestein [Gravenstein] Hiwy and 1.4 mi from Catholic Church on the Main St of Sebastopol Comment
  SEINET10544021  Lupinus albicaulis subsp. shastensis David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20707 Sonoma 2 miles nw of forestville on hwy 116, douglas fir forest with some oaks Comment
  UC905105  Lupinus albifrons Milo S. Baker 1947-4-16 11686 Sonoma cliffs at junction of Mark West Road and one from Rincon Summit; cliffs at jct of Mark West Rd and one fr Rincon Summit Comment
  UCD105999  Lupinus albifrons Collector Unknown Date Unknown s.n. Sonoma southwestern part of county. Comment
  CAS-BOT-BC195983  Lupinus albifrons var. albifrons Alice Eastwood; John Thomas Howell 1938-5-15 5514 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC196153  Lupinus albifrons var. douglasii J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma Comment
  JEPS64942  Lupinus arboreus W. L. Jepson 1931-7-19 15952 Sonoma near Markham; Russian River Comment
  UC130308  Lupinus arboreus J. Burtt Davy 1896-3-13 1646 Sonoma Duncan's Mills Comment
  UC82055  Lupinus arboreus Michener and Bioletti May 1894 Sonoma Bodega Bay Comment
  CHSC33094  Lupinus bicolor Jane A. Rogers 1979-4-14 4 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  CAS-BOT-BC187859  Lupinus chamissonis Alice Eastwood; John Thomas Howell 1939-4-2 7375 Sonoma Russian River Canyon, near Monte Rio Comment
  POM253151  Lupinus densiflorus var. densiflorus A. A. Heller 1938-5-14 15092 Sonoma Hills between Petaluma and Napa. Comment
  SEINET12165969  Lupinus formosus W. Knight, Knight, I. 1988-1 6326 Sonoma Adobe Rd, nr teh Old Adobe Comment
  CAS-BOT-BC8358  Lupinus formosus subsp. formosus Amos Arthur Heller 1940-4-22 15546 Sonoma Alexander Valley (label reads Anderson Valley; annotation corrects this to Alexander Valley) Comment
  RSA177946  Lupinus latifolius var. latifolius Robert F. Thorne 1965-4-19 34317 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  UC201959  Lupinus littoralis Milo S. Baker 1899-6-27 Sonoma Coast road near Bodega Bay; Coast Road near Bodega Bay Comment
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Apr 13 2007
  UCR143605  Lupinus littoralis G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  UC865134  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15091 Sonoma w of Petaluma near Two Rocks; near Two Rocks Comment
  JEPS65363  Lupinus nanus W. L. Jepson 1914-4-11 5801 Sonoma Sonoma Valley 35 Comment
  UC727108  Lupinus nanus A. A. Heller 1940-4-22 15549 Sonoma along State Highway #12 e Santa Rosa; e of Santa Rosa Comment
  UCD109252  Lupinus nanus R. Tofsrud 1948-5-1 s.n. Sonoma Cloverdale. Comment
  RSA0023080  Lupinus nanus subsp. nanus Peter Rubtzoff 1974-5-18 7411 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UC865365  Lupinus pachylobus Alice Eastwood 1918-5-1 6844 Sonoma Mt. St. Helena Comment
  HSC34852  Lupinus polycarpus Thomas W. Nelson 1975-5-8 1810 Sonoma Beside Hwy. 101 at Asti Comment
  POM10847  Lupinus polycarpus M. Alice King 1897-04 128 Sonoma Near Healdsburg Comment
  CAS-BOT-BC207259  Lupinus sericatus Greg de Nevers 1996-3-4 10783 Sonoma In Devil's Kitchen outcrops on Oak Hill Ranch east of Chalk Mountain, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  JEPS65490  Lupinus tidestromii William S. Cooper 1925-7-25 84 Sonoma Bodega Pt. Comment
  RSA22011  Lupinus variicolor Alice Eastwood, John T. Howell 1939-4-2 7362 A Sonoma Larkspur Rock Comment
  UCD55071  Luzula comosa Ellen Dean; Tammie Beyerl 2006-4-28 3015 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  RSA244326  Luzula comosa var. comosa Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1089 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  CAS-BOT-BC441295  Luzula macrantha G. De Nevers 1981-3-14 519 Sonoma Pepperwood Ranch. Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge. At confluence of Mark West Creek and Leslie Creek, by the studio Comment
  CAS-BOT-BC441403  Luzula macrantha L. R. Abrams 1918-4-27 6904 Sonoma Independence School near Healdsburg Comment
  UC1784223  Lythrum hyssopifolia Ethel Crum 1930-1 731 Sonoma Petaluma Comment
  CDA19168  Lythrum salicaria S. Opbroek 2000-7-5 PDR 038246 Sonoma North Coast Ranges; Along Hwy 116, Sebastopol. 0 Comment
  SEINET7042722  Machaeranthera canescens A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  CAS-BOT-BC166731  Madia Peter Rubtzoff 1964-5-31 s.n. Sonoma Along Russian River at Fitch Mtn. Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC342609  Madia Lawrence Beane 1949-5-11 338 Sonoma 2 miles north of Cloverdale Comment
  UC1069880  Madia anomala H. S. Yates 1934-4-22 3851 Sonoma 2 mi s of Mark West; Calistoga Quadrangle Comment
  CAS-BOT-BC342618  Madia anomala Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma Comment
  CAS-BOT-BC342622  Madia anomala G. DeNevers 1981-5-7 996 Sonoma Pepperwood Ranch. Along the Studio Road Comment
  CAS-BOT-BC344043  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  UC523537  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi n of Occidental Comment
  UC89455  Madia elegans W. E. Bryant July 1887 Sonoma Healdsburg Comment
  UCD132772  Madia elegans Frederica Bowcutt 1997-7-20 2205 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood, 1 air mile S of Red Mountain. At Pony Gate Trail, above Adobe Canyon Rd., about 2.6 miles from intesection with Hwy.12. 396 Comment
  UCR265433  Madia exigua Ann Howald, Christina Freeman 2015-6-1 3414 Sonoma Inner North Coast Ranges, Annadel State Park, Lawndale wetlands, northeast of intersection of Lawndale and Marsh trails 371 Comment
  CAS-BOT-BC343453  Madia gracilis John Thomas Howell 1937-7-4 13066 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343471  Madia gracilis Catherine Best 1981-6-5 s.n. Sonoma Warm Springs Dam Overlook Comment
  SD56776  Madia gracilis Darley F. Howe 1963-5-23 Sonoma 2.8 miles north of Cloverdale on #128 245 Comment
  SEINET11807611  Madia madioides F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -164 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 330 Comment
  CAS-BOT-BC157678  Madia sativa Peter Rubtzoff 1962-8-24 5066 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC345204  Madia sativa John Thomas Howell 1930-6-8 5264 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC345223  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC345230  Madia sativa John H. Thomas 1976-6-15 18285 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC990650  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma electric RR station between Santa Rosa and Sebastopol; Leddy Comment
  UC990654  Madia sativa James I. McMurphy 1909-8-8 702 Sonoma electric railroad station between Santa Rosa and Sebastopol; Leddy Comment
  CHSC26310  Maianthemum racemosum P. Kunst 1977-4-12 32 Sonoma 170 Comment
  RSA177991  Maianthemum racemosum subsp. amplexicaule Robert F. Thorne 1965-4-19 34295 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC511490  Maianthemum stellatum Greg de Nevers 1993-3-24 10331 Sonoma Pepperwood Ranch Natural Preserve, 3450 Faranz Valley Road, Weimar Canyon 304 Comment
  UCD139121  Maianthemum stellatum Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1768 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon along the Goodspeed Trail about 30 yards from the trail head. Along Sonoma Creek just east of confluence with Bear Creek near bridge over Sonoma Creek. 198 Comment
  CAS-BOT-BC511494  Maianthemum stellatum Mary P. Wells 1985-4-11 468 Sonoma Near house at 230 Pilot's Ranch, The Sea Ranch Comment
  CAS-BOT-BC511499  Maianthemum stellatum J. W. Congdon 1880-5-2 s.n. Sonoma Cleveland's Creek Comment
  CAS-BOT-BC366947  Malacothrix floccifera Greg de Nevers 1997-4-16 10944 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  CAS-BOT-BC348214  Matricaria discoidea Peter Rubtzoff 1966-5-7 5704 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC348219  Matricaria discoidea Peter Rubtzoff 1972-5-25 6773 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC268100  Medicago Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7804 Sonoma Kenwood Marsh. Comment
  UCD164980  Medicago Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7804 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC262977  Medicago Peter Rubtzoff 1968-8-31 5945 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC494182  Medicago polymorpha H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  POM204781  Melica californica A. A. Heller 1902-4-23 5351 Sonoma Near Sonoma. Comment
  UCD87213  Melica californica R. Tofsrud 1941-4-1 292 Sonoma Between County Hosp. and S.R. Comment
  CAS-BOT-BC281274  Melica geyeri G. DeNevers 1981-5-5 928 Sonoma Pepperwood Ranch. W arm of Garrison Canyon, above the Viburnum Comment
  CAS-BOT-BC281279  Melica geyeri G. DeNevers 1987-6-1 8184 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd, Santa Rosa 400 Comment
  UCD87349  Melica geyeri R. Tofsrud 1941-4-1 281 Sonoma Parker Hill, Santa Rosa. Comment
  CAS-BOT-BC281282  Melica geyeri K. Wagnon 1939-4-10 167 Sonoma About 1 mile N of Sturgeon's Mill Comment
  SACT001511  Melica geyeri M. Wiesendanger 1927-5-5 Sonoma Comment
  RSA123514  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mile WSW of Petrified Forest. 274 Comment
  UCD87571  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mile SW of Petrified Forest 274 Comment
  CAS-BOT-BC262560  Melica torreyana Mary P. Wells 1984-5-24 300 A Sonoma Annadel State Park (near Santa Rosa) Comment
  POM204779  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood. Comment
  UCD88826  Melica torreyana Virginia Bufford 1936-5-19 295 Sonoma Moss Cottage -- Los Guillicos Valley. Comment
  UCD89198  Melica torreyana R. Tofsrud 1941-4-1 303 Sonoma North bridge of Russian Gultch. Comment
  RSA800065  Melilotus indicus Peter Rubtzoff 1968-8-31 5941 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD166100  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC164067  Mentha Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guerneville Road). Comment
  CAS-BOT-BC164425  Mentha Peter Rubtzoff 1960-9-14 4553 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road). Comment
  UCR244603  Mentha Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Road 23 Comment
  CAS-BOT-BC157655  Mentha Peter Rubtzoff 1965-8-29 5627 Sonoma Russian River bottom at Forest Hills (5.5 mi. E of Guerneville). Comment
  CAS-BOT-BC164675  Mentha Peter Rubtzoff 1963-8-17 5229 Sonoma Russian River Mouth Marsh. Comment
  RSA788368  Mentha Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guereville Road). Comment
  CAS-BOT-BC173657  Mentha pulegium Peter Rubtzoff 1956-9-16 2921 Sonoma Guerneville region. Vacation Beach, near (1.5 mi. below) Guerneville. Comment
  SBBG85792  Mentha pulegium L. F. LaPre 1986-7-29 Sonoma Pine Flat Rd, Pine Flat, near the Lake County line, 12 mi E of Healdsburg Comment
  UC187861  Mentha pulegium Edw. L. Greene 1888-8-30 Sonoma above S. Rosa <Santa Rosa?> (<Santa Rosa?>); above S. Rosa <Santa Rosa?> Comment
  CAS-BOT-BC166691  Mentha spicata Peter Rubtzoff 1968-8-24 5932 Sonoma Upper Salmon Creek Marsh. Comment
  UCD151251  Mentzelia micrantha James A. Neilson Jr. 1974-7-10 2888 Sonoma Mayacmas Mountains. North of Little Geysers. 853 Comment
  UCD136318  Micropus amphibolus M. Rei Scampavia Evangelista 2012-5-20 8 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  CAS-BOT-BC322708  Microseris laciniata John Thomas Howell 1937-7-4 13081 Sonoma 4 miles west of Santa Rosa Comment
  CAS-BOT-BC322710  Microseris laciniata John Thomas Howell; Alice Eastwood 1938-7-6 6086 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC311861  Mimulus Peter Rubtzoff 1972-5-25 6753 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC311866  Mimulus Peter Rubtzoff 1969-6-14 6073 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  CAS-BOT-BC312701  Mimulus Peter Rubtzoff 1964-8-26 5476 Sonoma Marsh 5 miles northeast of Penngrove on Lichan Road. 213 Comment
  CAS-BOT-BC320521  Mimulus Peter Rubtzoff 1970-6-21 6265 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC320581  Mimulus Peter Rubtzoff 1955-7-9 1933 Sonoma Forestville Marsh. Comment
  UC446449  Mimulus arvensis Milo S. Baker 1898-5-7 637 Sonoma Glen Ellen Comment
  UCD161246  Mimulus aurantiacus James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3712 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  UCD122509  Mimulus cardinalis K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  UC672457  Mimulus grandis H. L. Mason June 1930 5651 Sonoma mouth Gualala River Comment
  UCR248747  Mimulus guttatus Peter Rubtzoff 1974-5-26 7484 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen Comment
  UCR248874  Mimulus guttatus Peter Rubtzoff 1978-6-11 9215 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley 35 Comment
  RSA80596  Mimulus guttatus E. K. Balls, Lee W. Lenz 1952-5-8 17109 Sonoma 3.3 mi. n.e. from Mark West Springs on rd. to Kellogg. 91 Comment
  SEINET12335261  Mimulus guttatus subsp. arvensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -251 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  POM5158  Mimulus kelloggii A. A. Heller, H. E. Brown 1902-3-25 5146 Sonoma Near Mark West Springs Comment
  RSA80677  Mimulus kelloggii E. K. Balls, Lee W. Lenz 1952-5-8 17112 Sonoma 0.4 mi. s. of Franz Valley Road along road from Mark West Springs to Kellogg. 107 Comment
  UCD160963  Mimulus layneae James A. Neilson Jr. 1975-7-8 3376 Sonoma Mayacmas Ridge. Near U.S. Geothermal 2, 1/2 mile south of Socrates Mine Road. (Elevation and coordinates estimated by label maker.) 914 Comment
  UC1374916  Mimulus microphyllus Noel H. Holmgren, Liew Fah Seong 1969-6-23 3606 Sonoma 7.2 mi n Marin County line (Calif. 1) Comment
  UCD122794  Mimulus moschatus Frederica Bowcutt 1997-7-18 2173 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 662 Comment
  UCD40972  Mimulus nanus var. mephiticus Collector Unknown 1978-1 s.n. Sonoma 19 miles east of Fallon. (Fallon is in Marin County, but 19 mi E is Sonoma County). 30 Comment
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Mar 13 2006
  UC1063065  Mimulus tricolor E. Armstrong 1934-4-15 1210 Sonoma near Occidental; Sebastapol Quadrangle Comment
  RSA143961  Minuartia douglasii Roxana S. Ferris, Laura Lorraine 1961-6-14 13522 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  POM161866  Modiola caroliniana Rimo Bacigalupi 1928-6-18 1904 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  UC7699  Mollugo verticillata Miss Alice King 1897-1 Sonoma Healdsburg Comment
  CAS-BOT-BC435112  Mollugo verticillata Peter Rubtzoff 1969-11-2 6206 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville. Comment
  UCD167560  Monardella James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. On Squaw Creek. 1/4 mile from Black Hawk Ranch. (Exact location unkown. Coordinates estimated by label maker. Black Hawk Ranch location not found. Location georeferenced at the end of Ottobani Ridge between Big Sulphur Creek and Squaw Creek because neilson collected in that area on 18 June 1976.) Comment
  UCD67624  Monardella purpurea D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 800 Comment
  CHSC67996  Monardella villosa Jack Guggolz; Betty Guggolz 1992-6-13 1313 Sonoma West side of Black Mountain, south of Geyser Peak. 597 Comment
  JEPS86348  Monardella villosa Jack and Betty Guggolz 1988-5-8 927 Sonoma Comment
  CAS-BOT-BC314184  Monardella villosa subsp. villosa John Thomas Howell 1930-7-27 5407 Sonoma 1 mile N of Fort Ross Comment
  CAS-BOT-BC314203  Monardella villosa subsp. villosa L. R. Abrams 1920-7-3 7621 Sonoma Stewarts Point Comment
  UC1995311  Monardella viridis Robert F. Hoover 1942-7-6 5912 Sonoma ridge s The Geysers Comment
  UC1995308  Monardella viridis Milo S. Baker 1934-6-20 7654 Sonoma 2 1/2 mi ne Glen Ellen (Youngman Ranch) Comment
  JEPS83653  Monardella viridis subsp. viridis R. Raiche 1987-7-5 70380 Sonoma N of Cazadero, The Cedars, Big Austin Creek drainage, between Gravelly Springs and Red Slide Creek. 304 Comment
  JEPS87252  Monardella viridis subsp. viridis Jack and Betty Guggolz 1992-7-25 1332 Sonoma 4 1/2 mi sw Geyserville (about 5/8 mi ssw of Bradford Mountain) 292 Comment
  CAS-BOT-BC444993  Montia fontana G. DeNevers 1981-4-23 791 Sonoma Pepperwood Ranch. Pippindale farm. Pool at Pippindale-Pepperwood Gate. Comment
  RSA0036994  Morella californica Lowell A. Ahart, Marge Anthony, John Dittes, Josephine Guardino 2013-4-25 18601 Sonoma Near the edge of a residential driveway, 0.7 miles (air) east of Pacific Ocean, 0.8 miles (air) west of Gualala River. 111 Comment
  SD99365  Morella californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. 3.0 miles north of Jenner. Comment
  JEPS23885  Myosotis discolor G. Thomas Robbins 1937-5-23 198 Sonoma ca. 10 mi. w. Santa Rosa (marsh on Pitkin Ranch); Vine Hill region, Pitkin Ranch Comment
  RSA517354  Myosotis discolor L. T. Dempster 1958-5-24 1104 Sonoma Pitkin Marsh (on Pitkin Ranch). Comment
  SEINET12332729  Myosotis discolor W. Knight, Knight, I. 1985-1 6327 Sonoma Cooper's Grove, Sonoma Mt. Rd near Matanzas Creek Comment
  CAS-BOT-BC257705  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UC5274  Myrica californica J. Burtt Davy 1896-3-14 1670 Sonoma Fort Ross Comment
  CAS-BOT-BC258905  Myriophyllum Peter Rubtzoff 1971-9-3 6702 Sonoma Spring Creek Reservoir area. Comment
  UCR244643  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh 29 Comment
  CAS-BOT-BC258917  Myriophyllum hippuroides Peter Rubtzoff 1954-8-12 1699 Sonoma Bennett Mountain Lake. Comment
  UC1719855  Navarretia cotulifolia David Fruchter 1978-9-16 92 Sonoma Todd Road Comment
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Jul 24 2011
  UC133811  Navarretia heterodoxa Katharine Brandegee Aug 1892 Sonoma Petrified Forest Comment
  UC952866  Navarretia heterodoxa Milo S. Baker Aug 1950 12308 Sonoma near Kenwood (Hope Valley a short distance s of summit above Coleman Ranch); Hope Valley Comment
  JEPS86365  Navarretia leucocephala subsp. bakeri Jack and Betty Guggolz 1988-5-12 932 Sonoma D. Carinalli property, on the n side of the laguna Comment
  UC101999  Navarretia leucocephala subsp. bakeri Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC233579  Navarretia prostrata Peter Rubtzoff; H. A. Froebe 1971-5-30 6491 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC232683  Navarretia pubescens Peter Rubtzoff; H. A. Froebe 1971-5-30 6505 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road Comment
  UC72062  Navarretia pubescens Miss M. Alice King Jun 1897 Sonoma near Healdsburg Comment
  RSA468372  Navarretia squarrosa E. A. Purer 1932-7-21 16861 Sonoma Bodega Bay. Comment
  UC582809  Navarretia squarrosa P. A. Munz 1936-8-7 14308 Sonoma 6 mi n Bodega Comment
  UC52677  Navarretia viscidula W. A. Setchell 1897-6-16 Sonoma Cazadero Comment
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Dec 31 2015
  UC631639  Navarretia viscidula G. Thomas Robbins 1938-6-23 270 Sonoma just e Pitkin Marsh; Vine Hill Region Comment
  UCD160863  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 a Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC24177  Nemophila heterophylla H. N. Bolander April 1864 3811 Sonoma Santa Rosa Creek Comment
  CHSC23124  Nemophila menziesii Robert A. Schlising 1962-3-31 2110 Sonoma In pastured field. Comment
  UC67144  Nemophila menziesii Milo S. Baker 1898-4-23 617 Sonoma Santa Rosa Creek Canyon Comment
  UC58514  Nemophila menziesii var. atomaria A. A. Heller 1903-4-23 6600 Sonoma Fort Ross Comment
  CAS-BOT-BC231192  Nemophila parviflora Peter Rubtzoff 1953-5-17 1392 Sonoma S of Guerneville (Neeley Hill area) Comment
  SEINET9309775  Nemophila parviflora John Nelson, Wnek, Richard 2000-3-7 20937 Sonoma Sonoma Co., CA Comment
  CAS-BOT-BC173515  Nicotiana Peter Rubtzoff 1970-9-13 6387 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  CAS-BOT-BC231512  Nicotiana Peter Rubtzoff 1986-9-28 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  RSA0057976  Nicotiana Greg de Nevers 1997-10-17 11106 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral. 100 Comment
  RSA791569  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, about 1 mi SE of Trenton. Comment
  JEPS13900  Nicotiana acuminata var. multiflora W. L. Jepson 1914-9-19 6191 Sonoma Agua Caliente; Sonoma Valley 25 Comment
  UCD110190  Notholithocarpus densiflorus A. T. Leiser 1968-1-16 s.n. Sonoma Sea Ranch, N. end of ridge. 91 Comment
  UC136307  Nuphar lutea subsp. polysepala G. A. Newell Aug 1900 Sonoma Russian River Station Comment
  SD88473  Nuphar polysepala Darley F. Howe 1972-6-27 4840 Sonoma Duncan Mills Pond Comment
  UC1084460  Oenanthe sarmentosa G. Thomas Robbins 1937-6-5 222 Sonoma ca. 10 mi. w. Santa Rosa (Marsh on Pitkin Ranch, Vine Hill Region); Vine Hill region, Marsh on Pitkin Ranch Comment
  CAS-BOT-BC251248  Oenothera Peter Rubtzoff 1971-5-8 6441 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UC429299  Ornithogalum nutans Mrs. Morrow Mar 1898 700 Sonoma Santa Rosa; yard at 2nd St Comment
  JEPS66549  Orobanche californica subsp. grayana Peter Rubtzoff 1971-7-23 6615 Sonoma Laguna, Cheleno Valley. Comment
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Apr 3 2019
  UC27866  Orobanche fasciculata F. T. Bioletti 1892-1 Sonoma Sonoma. Comment
  UCSB6225  Orobanche fasciculata Kamb, Peter 1950-6-17 Sonoma "Larkspur Rock", south side of Cheney Gulch, 2.9 miles west of fork in road to Bodega and Valley Ford 30 Comment
  CAS-BOT-BC500336  Orobanche uniflora subsp. occidentalis Carrie A. Burlingame 1925-3-10 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC502961  Orobanche vallicola Wade Sturgeon 1928-7-16 s.n. Sonoma Sebastopol Comment
  RSA516483  Orthocarpus densiflorus W. L. Jepson 1911-4-30 4187 Sonoma Sonoma Valley. 84 Comment
  RSA789046  Orthocarpus erianthus Carrie A. Herd 1982-3-16 25 Sonoma Santa Rosa, S.W. corner of Fulton and Piner Roads Comment
  POM183041  Orthocarpus faucibarbatus A. A. Heller, H. E. Brown 1902-4-15 5292 Sonoma Santa Rosa. Comment
  RSA34066  Orthocarpus faucibarbatus A. A. Heller 1928-5-14 15090 Sonoma Just east of the town of Bodega. Comment
  RSA239768  Orthocarpus faucibarbatus var. albidus Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1102 Sonoma Fort Ross State Park. Comment
  POM15358  Orthocarpus pusillus A. A. Heller, H. E. Brown 1902-4-8 5230 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  POM117418  Osmorhiza berteroi Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  SEINET10494956  Oxalis oregana R. D. Sage 1992-1-10 Sage 13412 -2 Sonoma Collected along joy rd between bodega hwy and bittner rd, ca 2-6 km sw occidental. Comment
  UCD110992  Oxalis pilosa K. Esau 1932-5-2 s.n. Sonoma Bodega Bay. Comment
  UCD160299  Packera eurycephala James A. Neilson Jr. 1975-5-17 3192 Sonoma West of State Highway 29, Robert Louis Stevenson State Park, 2/3 of the way to summit of Mt. St. Helena along road. (Exact location unknown. Elevation and coordinates estimated by label maker.) 1165 Comment
  UCD164102  Panicum Peter Rubtzoff; Nancy Harrison 1978-5-20 9186 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  UC1102638  Panicum acuminatum var. acuminatum P. Zinke 120 Sonoma 16 mi e Cloverdale (at the Big Geysers); Quad. 60A3, Big Geysers, e of Cloverdale 487 Comment
  HSC83426  Panicum acuminatum var. fasciculatum Mary M. Hektner 1974-7-6 132 Sonoma Sea Ranch, near golf course. Comment
  CAS-BOT-BC253655  Panicum capillare John Thomas Howell 1957-9-26 32977 Sonoma Russian River bottom near Guerneville Comment
  CAS-BOT-BC253824  Panicum dichotomiflorum Greg de Nevers 1996-9-2 10872 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, at base of Al Cuneo's driveway 487 Comment
  CAS-BOT-BC253798  Panicum hillmanii G. DeNevers 1981-6-20 1600 Sonoma Pepperwood Ranch. Mark West Creek Comment
  CAS-BOT-BC249263  Parentucellia Peter Rubtzoff 1971-6-10 6538 Sonoma Pitkin Marsh, near Forestville, along western border of the upper part of marsh. Comment
  JEPS66219  Parentucellia viscosa T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6904 Sonoma s central Pitkin Marsh (near end of Templeton Road) Comment
  SEINET12332452  Parentucellia viscosa F. H. Utech 1988-1 88 -188 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  CAS-BOT-BC312685  Paspalum Peter Rubtzoff 1987-9-27 9852 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  RSA784153  Paspalum dilatatum Peter Rubtzoff 1971-8-23 6654 Sonoma Meacham Road, 0.35 miles S of Stony Point Road. Comment
  UCD88727  Paspalum dilatatum Beecher Crampton 1964-8-19 7151 Sonoma NE Sonoma County. 3/4 mile southeast of Mercuryville, 7 miles northeast of Geyserville. Comment
  CAS-BOT-BC265697  Paspalum distichum Peter Rubtzoff 1951-6-9 181 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC202873  Paxistima myrsinites M. S. Baker 1934-4-28 s.n. Sonoma Jensen Ranch, Dry Creek Valley, n. of Healdsburg Comment
  RSA786926  Paxistima myrsinites Carrie A. Herd 1982-3-27 36 Sonoma Hwy. 128, 32.2 mi. S. of junction w/Philo-Greenwood Rd., side of road Comment
  CDA12037  Pedicularis densiflora G. F. Hrusa 1990-1-2 7352 Sonoma North Coast Biodiversity Arena; Hogback Mtn. between headwaters of Nathanson and Agua Caliente Creeks, approximately 4 km. NE of Sonoma. Comment
  JEPS25514  Pedicularis densiflora Paul C. Hutchison 1961-2-5 882 Sonoma 2 mi e of Stewarts Point (along the South Fork of the Gualala River, on road from Stewarts Point to Healdsburg); Indian Rancheria, Gualala River 182 Comment
  RSA401967B  Pedicularis densiflora Cora Mae Life 1924-3-22 s.n. Sonoma Camp Weeker. Comment
  UC27503  Penstemon newberryi var. sonomensis F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  UC887199  Penstemon newberryi var. sonomensis Alice Eastwood 1915-6-6 Sonoma Mt. St. Helena Comment
  SEINET12327816  Pentagramma triangularis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -095 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  UC1193125  Pentagramma triangularis subsp. triangularis P. Zinke 1950-4-25 114 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  UC399579  Pentagramma triangularis subsp. triangularis Mrs. Carlotta C. Hall June 1909 12 Sonoma w of Guerneville (Graystone Trail, w side of canyon) Comment
  CAS-BOT-BC222743  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh Comment
  UC1518541  Perideridia gairdneri subsp. gairdneri Betty Lovell 1984-7-22 696 Sonoma 1000 ft ne Hwy 12 junc. with Frey Rd. (w of creek); Kenwood quad. Comment
  UC1329521  Perideridia kelloggii Peter Rubtzoff 1967-9-16 5884 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  UCD99359  Persicaria amphibia Ann F. Johnson 1979-6-19 s.n. Sonoma South of entrance road to Bodega Dunes State Park. Comment
  UCD99058  Persicaria hydropiper Frederica Bowcutt 1997-7-18 2174 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC413742  Persicaria hydropiper Peter Rubtzoff 1970-9-17 6390 Sonoma Laguna de Santa Rosa north of Sebastopol, nr. Occidental Rd. crossing Comment
  CAS-BOT-BC418923  Persicaria hydropiperoides Peter Rubtzoff 1963-9-1 5248 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC419113  Persicaria lapathifolia Peter Rubtzoff 1963-8-24 5244 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC540804  Persicaria pensylvanica Peter Rubtzoff 1973-9-9 7325 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC419417  Persicaria punctata A. A. Heller 1902-8-20 6053 Sonoma At Sebastopol Comment
  UC75812  Petasites frigidus var. palmatus Milo S. Baker 1898-4-5 7 Sonoma near Stewarts Point (Coast Road) Comment
  CAS-BOT-BC330279  Petasites frigidus var. palmatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north of Crow's Nest Rd and E of Spyglass Lane. The Sea Ranch Comment
  UCD98399  Petrorhagia nanteuilii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 67 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road. 259 Comment
  UC1084364  Phacelia californica G. Thomas Robbins 1937-3-26 28 Sonoma w Bodega (along hwy to Bodega Bay) Comment
  UC1602000  Phacelia californica H. S. Yates 1934-4-21 3781 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UC672383  Phacelia californica Herbert L. Mason 1928-7-10 4887 Sonoma Jenner Russian River (mouth of river) Comment
  UCR222352  Phacelia californica George K. Helmkamp, E. A. Helmkamp 2010-6-4 16232 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 Comment
  POM298993  Phacelia distans J. T. Howell 1930-6-8 5274 Sonoma North end of Bodega Bay. Comment
  SJSU7530  Phacelia distans L. S. Rose 1965-4-4 65060 Sonoma 1 mi N of Sonoma 60 Comment
  UC703123  Phacelia distans John Thomas Howell 1929-6-9 4306 Sonoma near Petrified Forest Comment
  RSA177903  Phacelia distans Robert F. Thorne 1965-4-20 34358 Sonoma On Cavedale Road, half mile up from State Highway 12, ca. four miles north of Sonoma. 244 Comment
  JEPS1968  Phacelia egena F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  SD72089  Phacelia imbricata John Thomas Howell 1929-6-9 4302 Sonoma 2.0 miles north of Sonoma. Comment
  RSA170287  Phacelia imbricata subsp. imbricata W. L. Jepson 1911-4-30 4185 Sonoma Sonoma Valley Comment
  UC107355  Phacelia nemoralis subsp. nemoralis F. McLean 1892-7-4 Sonoma Sonoma Comment
  RSA0022999  Phalaris Peter Rubtzoff 1975-7-3 8149 Sonoma Kenwood Marsh. Comment
  RSA0023082  Phalaris Peter Rubtzoff, Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7839 Sonoma Kenwood Marsh. Comment
  SEINET10661948  Phalaris angusta P. Rubtzoff 1972-6-23 Rubtzoff 6785 Sonoma Atascadero Creek Marsh. Comment
  RSA227235  Phalaris arundinacea Peter Rubtzoff 1958-5-17 3659 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Rd.) Comment
  UCD88766  Phalaris californica R. Tofsrud 1951-5-1 s.n. Sonoma Summit of road between Kenwood and Oakville. Comment
  UCD88874  Phalaris lemmonii A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3580 Sonoma Corner of Wright Road and Rt. 12 in outskirts of Santa Rosa. Comment
  UC1011003  Phalaris paradoxa Virginia Bufford 1936-5-20 307 Sonoma Mark West Creek Rd about 3 or 4 mi from Redwood Hiway; Mark West Creek Rd. Comment
  UCD89379  Phalaris paradoxa Beecher Crampton 1959-6-16 5369 Sonoma 0.2 miles E of Occidental. Comment
  UC1023573  Phleum alpinum Virginia Bufford 1936-5-1 167 Sonoma Larkspur Rock Bodega Canyon; , Larkspur Rock Comment
  UC1146587  Phleum alpinum Freed W. Hoffman 1943-6-6 2098 Sonoma Sonoma Coast Wright's Beach (cliffs at Wright's Beach); North Coast Ranges, , Wright's Beach Comment
  CAS-BOT-BC135035  Phoradendron bolleanum Gladys L. Smith 1977-3-30 4653 Sonoma Summit, Harrison Grade, serpentine hill 457 Comment
  JEPS28106  Phoradendron densum Roxana S. Ferris 1962-4-14 13584 Sonoma ca. 1/8 mi. beyond County dump Comment
  RSA139502  Phoradendron densum Del Wiens 1960-6-14 2723 Sonoma Ca 4 miles SE of Monte Rio on road to Camp Meeker. Comment
  RSA572341  Phoradendron densum Vanessa Ashworth, Nigel Boyle 1994-8-20 55 Sonoma Ca 2.5 miles N of Camp Meeker on Bohemia Hwy from Occidental to Monte Rio. Comment
  RSA247439  Phoradendron macrophyllum Peter Rubtzoff 1965-10-10 5655 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd). Comment
  UC1977006  Phyllospadix scouleri Ann Freeman 1963-8-6 1642 Sonoma Bodega Head. North side, Horseshoe Cove with flowers. Comment
  CAS-BOT-BC452029  Phyllospadix torreyi Marck Menke 1999-6-16 49 Sonoma Bodega Head, Bodega Marine Lab, north side of Horseshoe Cove Comment
  CAS-BOT-BC140492  Physocarpus Alice Eastwood 1915-6-5 4579 Sonoma Petrified Forest Comment
  UC466693  Physocarpus capitatus W. P. Taylor 1913-6-23 Sonoma 7 W.[?] Cazadero (along creek at Niestrth's[?]) 304 Comment
  SEINET5500932 Image available Pickeringia montana Sally Walker 1981-5-13 Sonoma 2 mi E of Occidental Comment
  CAS-BOT-BC78331  Pinus attenuata Peter H. Raven 1954-2-27 6430 Sonoma on north side of Hooker Creek, Hoods Peak Range 609 Comment
  CAS-BOT-BC72885  Pinus ponderosa James McMurphy 1908-10-3 s.n. Sonoma Smith Creek Comment
  JEPS128302  Piperia transversa Roger Raiche 2010-7-11 035 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS45844  Piperia transversa Eleanor Armstrong Jun 1932 507 Sonoma near Camp Meek Comment
  UCD108193  Pisum sativum Peter H. Raven 1950-4-6 1562 Sonoma Cotoli to Santa Rosa. 152 Comment
  CAS-BOT-BC166956  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC376421  Plagiobothrys Greg de Nevers 1989-4-1 9056 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA785901  Plagiobothrys Peter Rubtzoff 1972-4-23 6735 Sonoma 4.25 mi. W. of Glen Ellen on Bennett Valley road Comment
  UCR244646  Plagiobothrys Peter Rubtzoff 1969-5-3 6012 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  UCR254850  Plagiobothrys Greg de Nevers 1998-5-5 11229 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; on Weimar Flat 400 Comment
  UCR279870  Plagiobothrys Peter Rubtzoff 1969-5-11 6040 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UCR279875  Plagiobothrys Peter Rubtzoff 1969-5-3 6018 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  CAS-BOT-BC154995  Plagiobothrys Peter Rubtzoff 1970-5-16 6219 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC155000  Plagiobothrys Peter Rubtzoff 1970-5-30 6237 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC173559  Plagiobothrys Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC361333  Plagiobothrys Greg de Nevers 1997-4-26 10981 Sonoma Point Reyes National Seashore, Bayview Trail Comment
  RSA0083875  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-30 6233 Sonoma 5 miles north of Sears Point. Comment
  RSA785667  Plagiobothrys bracteatus Peter Rubtzoff 1971-5-8 6430 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  SEINET12333746  Plagiobothrys bracteatus H. K. Wagnon 1989-1 1874 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive, Spring Creek diversion channel 67 Comment
  JEPS21216  Plagiobothrys nothofulvus H. S. Yates 1934-4-22 3842 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UCD120884  Plagiobothrys nothofulvus J. Adams; J. Weick 1993-5-8 s.n. Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. 396 Comment
  RSA620968  Plagiobothrys reticulatus Peter Rubtzoff 1962-8-22 5041 Sonoma Bodega Bay Marsh. Comment
  UCR280147  Plagiobothrys tener var. tener Peter Rubtzoff 1972-4-23 6735 Sonoma North Coast Range, 4.25 miles west of Glen Ellen on Bennett Valley Road 220 Comment
  UC1186483  Plagiobothrys undulatus Robert Ornduff 1960-4-21 6072 Sonoma w. edge Sonoma (s. of Sonoma Elementary School, housing development both sides of Hayes St.) Comment
  RSA151887  Plagiobothrys undulatus Robert Ornduff 1960-4-21 6072 Sonoma West edge of Sonoma. Both sides of Hayes St., south of Sonoma Elementary School. Comment
  CAS-BOT-BC258398  Plantago Peter Rubtzoff 1973-10-10 7341 Sonoma Tributary of Americano Creek, 2 miles west of Bloomfield. Comment
  UCD166496  Plantago Peter Rubtzoff 1965-8-16 5596 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC730039  Plantago lanceolata Leo F. Koch 1940-4-18 790 Sonoma 3 mi from Occidental (to Freestone) Comment
  UCD158728  Plantago lanceolata Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 853 Comment
  RSA94256  Plantago lanceolata Peter Rubtzoff 1951-7-14 440 Sonoma Pitkin Marsh near Forestville, Lower part of the upper marsh. Comment
  UCD81451  Plantago lanceolata M. Wiesendanger 1927-5-5 718 Sonoma Sonoma. Comment
  CAS-BOT-BC258383  Plantago subnuda Peter Rubtzoff 1960-6-9 4489 Sonoma Laguna de Santa Rosa area northeast of Graton, near Laguna Road. Comment
  UC1051634  Platanthera limosa Peter Kamb 1950-6-16 1857 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
Read comments
1
  CAS-BOT-BC92122  Platystemon californicus Lewis S. Rose 1933-5-9 33157 Sonoma Bodega Bay. Comment
  CAS-BOT-BC92128  Platystemon californicus G. DeNevers 1981-5-2 914 Sonoma Pepperwood Ranch. At Pepperwood by the barn. Comment
  SD88404  Platystemon californicus Darley F. Howe 1972-5-1 Sonoma Duncan Point Comment
  UC766307  Plectritis brachystemon R. F. Hoover 1941-5-14 5082 Sonoma 3 mi s of Monte Rio (on road to Camp Meeker) Comment
  UC1533103  Pleuropogon californicus Rocky Thompson 1975-4-14 Sonoma ca 0.5 mi s, on Todd Rd Jct Todd Rd and Llano Rd Comment
  UCD37568  Pleuropogon californicus Beecher Crampton 1955-4-5 2417 Sonoma 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road. Comment
  UCD90170  Pleuropogon californicus David L. Morgan 1961-4-25 s.n. Sonoma near Stemple Creek, 3 miles southwest of Cotati. Comment
  UCD90174  Pleuropogon californicus Lewis S. Rose 1962-4-11 62020 Sonoma Laguna de Santa Rosa. 1/2 mile east of Cunningham. 15 Comment
  CAS-BOT-BC260968  Pleuropogon californicus var. californicus Thomas W. Nelson; Jane P. Nelson 1980-5-3 5128 Sonoma Along Roberts Road ca 100 m. past bridge over Copeland Creek, east of Rhonert Park 60 Comment
  CAS-BOT-BC260977  Pleuropogon californicus var. californicus David D. Keck 1931-4-1 993 Sonoma 2 miles north of Sears Point, 9 miles south of Sonoma, southern Sonoma County 10 Comment
  UCD90167  Pleuropogon californicus var. californicus John Lenz 1947-4-18 s.n. Sonoma near road between Freestone and Bodega. Comment
  UCD92203  Poa Collector Unknown 1941-4-1 379 Sonoma near Wright School. Comment
  UCD92206  Poa Collector Unknown 1941-5-1 371 Sonoma near Wright School. Comment
  CAS-BOT-BC255608  Poa annua John Thomas Howell; et al. 1981-5-14 53940 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain Comment
  CAS-BOT-BC255610  Poa annua Peter Rubtzoff 1958-9-21 4004 Sonoma Vacation Beach, near Guerneville, Russian River bottom Comment
  CAS-BOT-BC255058  Poa compressa Peter H. Raven 1950-4-23 1884 Sonoma Sobre Vista 152 Comment
  CAS-BOT-BC256024  Poa pratensis Rimo Bacigalupi 1926-5-2 1406 Sonoma Cazadero Comment
  CAS-BOT-BC256029  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC256032  Poa pratensis Peter Rubtzoff 1961-5-24 4594 Sonoma Upper Stemple Creek Marsh Comment
  CHSC20580  Poa pratensis Carol C. Getzinger 1964-5-9 80 Sonoma .5 miles north of Marin County line on highway 37. Roadside close to field. 30 Comment
  UCD91933  Poa pratensis David L. Morgan 1961-4-12 s.n. Sonoma Two Rock Highway, 3 mi. S of Bloomfield. Comment
  UC1023576  Poa pratensis subsp. pratensis Virginia Bufford 1936-5-22 395 Sonoma ca 5 mi from Annapolis (road to Pt Arena) Comment
  CAS-BOT-BC243250  Poa secunda subsp. secunda Catherine Best 1980-4-16 s.n. Sonoma Westerbeke Ranch near El Verano Comment
  CAS-BOT-BC243254  Poa secunda subsp. secunda G. DeNevers 1981-4-25 862 Sonoma Pepperwood Ranch. Roadside at Mark West Creek and Leslie Creek Comment
  UCD90791  Poa secunda subsp. secunda Beecher Crampton 1955-4-5 2402 Sonoma 2 miles N of Healdsburg, along US Hwy 101. Comment
  HSC100957  Poa secunda subsp. secunda Peter Warner 2011-5-13 196 Sonoma Jenner Headlands, N edge of Johnson Field, ~580 m, N84 deg. E of Hwy. bridge at Russian Gulch, S edge of gulch that crosses Muniz Ranch Rd. 0 Comment
  CAS-BOT-BC244190  Poa trivialis Peter Rubtzoff 1954-6-6 1469 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC244194  Poa trivialis Peter Rubtzoff 1962-5-25 4831 Sonoma Laguna de Santa Rosa N of Sebastopol, near Occidental Road crossing Comment
  CAS-BOT-BC244199  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncans Mills Marsh, edge of the lower portion of the marsh Comment
  CAS-BOT-BC312691  Poaceae Peter Rubtzoff 1964-5-31 5336 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg, along Russian River. Comment
  UCD84289  Pogogyne douglasii Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CDA40767  Pogogyne douglasii subsp. minor Peter Rubtzoff 1971-7-9 6600 Sonoma 4.25 miles west of Glen Ellen. 0 Comment
  POM62751  Pogogyne douglasii subsp. parviflora A. A. Heller 1902-6-4 5642 Sonoma Santa Rosa. Comment
  RSA264717  Pogogyne douglasii subsp. parviflora Peter Rubtzoff 1974-5-26 7499 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC232892  Polemonium carneum Milo S. Baker 1935-5-12 8072 Sonoma 1 mile E of Bodega Bay near Larkspur Comment
  POM138788  Polygala californica Michener, Bioletti 1893-5-7 s.n. Sonoma Hood's Peak Comment
  UC192399  Polygala californica Michener and Bioletti June 1893 Sonoma Hood's Peak Comment
  SEINET12205561  Polygala californica F. H. Utech 1988-1 88 -212 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CAS-BOT-BC110533  Polygonum Peter Rubtzoff 1973-8-20 7231 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  JEPS87241  Polygonum amphibium var. stipulaceum Jack and Betty Guggolz 1992-6-22 1318 Sonoma pond in cattle pasture se Bloomfield Road 36 Comment
  CAS-BOT-BC164078  Polygonum arenastrum Peter Rubtzoff 1956-9-14 2887 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC414117  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1954-7-27 1579 Sonoma Guerneville Marsh Comment
  SEINET11935790  Polygonum lapathifolium W. Knight, Knight, I. 1984-1 Sonoma Willow Creek, 2 mi N of Petaluma Comment
  UC1606996  Polypodium Margaret Rockwood and L. Esposito 1995-3-1 644 Sonoma ca. 3 km nw Bodega Comment
  CAS-BOT-BC76862  Polypodium calirhiza Walter Knight; Irja Knight 1963-12-27 449 Sonoma Pine Flat Road Comment
  UC914094  Polypodium calirhiza Milo S. Baker June 1944 10886 Sonoma 1 1/2 mi n in hills Sonoma Comment
  JEPS79669  Polypodium glycyrrhiza Edward Lee 1978-12-2 4776 Sonoma e Santa Rosa (s side Spring Creek Canyon, Spring Creek trail ca. 50 m s of Canyon Trail junction); Annadel State Park, Spring Creek Canyon Comment
  CHSC24750  Polypodium scouleri G. Strang 1976-2-14 1 Sonoma Mouth of Stockhoff Creek, Timber Grove. 15 Comment
  CAS-BOT-BC232935  Polypogon Peter Rubtzoff 1983-8-28 9673 Sonoma Austin Creek, ca. 0.5 mile N of Highway 116 on Cazadero Road Comment
  CAS-BOT-BC331490  Polypogon Peter Rubtzoff 1973-9-8 7303 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA0034038  Polypogon Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA0022378  Polypogon Peter Rubtzoff 1973-9-8 7303 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC233000  Polypogon australis Peter Rubtzoff 1962-8-22 5054 Sonoma Bodega Bay Marsh Comment
  JEPS45804  Polypogon australis Eleanor Armstrong 1932-5-23 168 Sonoma near Wright School 3 mi w Santa Rosa Comment
  UC1011006  Polypogon australis Virginia Bufford 1936-5-22 385 Sonoma Skaggs Springs Rd about 10 mi from Stewarts Pt; Skaggs Springs Rd Comment
  CAS-BOT-BC233198  Polypogon interruptus Walter Knight; Irja Knight 1968-1-1 2269 Sonoma Geysers Resort, along geyser trail Comment
  CAS-BOT-BC233222  Polypogon maritimus Peter Rubtzoff 1968-6-20 5895 Sonoma 6.5 miles NE of Penngrove on Lichen Road 426 Comment
  RSA262195  Polypogon maritimus Peter Rubtzoff 1968-6-20 5895 Sonoma 6.5 mi. northeast of Penngrove on Lichau Road. 427 Comment
  UCD84097  Polypogon maritimus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  CAS-BOT-BC237412  Polypogon monspeliensis Peter Rubtzoff 1963-7-27 5217 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC237614  Polypogon viridis Peter Rubtzoff 1956-9-11 2849 Sonoma Vacation Beach, Russian River near Guerneville Comment
  CAS-BOT-BC72166  Polystichum californicum Walter Knight; Irja Knight; Phyllis Ellman 1986-11-13 5850 Sonoma Bouverie Audubon Preserve, 3/4 mi E of parking lot along fire road 45 Comment
  UC42162  Polystichum californicum F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  HSC86326  Polystichum californicum R. W. Becking 1984-3-9 Sonoma Cloverdale, Hwy. 128 W 2 mi. from Hwy. 101 intersection, Alderglen Springs Comment
  SEINET11718544  Polystichum californicum W. Knight, Knight, I.; Edwards, S. W. 1986-1 5509 Sonoma 2.75 mi from end of Mill Creek Road Comment
  SEINET11720937  Polystichum dudleyi F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -63 Sonoma Glen Ellen area, junction Warm Springs Road & Sonoma Mt. Road along Graham Creek Comment
  CAS-BOT-BC72483  Polystichum munitum Peter Rubtzoff 1952-3-22 862 Sonoma bordering the Upper Marsh in the west Comment
  UCD167969  Polystichum munitum James A. Neilson Jr. 1981-3-13 3989 Sonoma Mayacamas Mountains, Wildhorse Ck. Northeast Sonoma County. (Exact location unknown, coordinates estimated by label maker.) Comment
  RSA302172  Polystichum munitum J. R. Shevock 1971-1-30 623 Sonoma Along Russian River. 13 Comment
  CAS-BOT-BC257354  Populus Peter Rubtzoff 1980-5-26 9447 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC376233  Potamogeton Greg de Nevers 1992-8-16 10246 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Franz Creek 304 Comment
  CAS-BOT-BC274037  Potamogeton crispus Peter Rubtzoff 1970-10-3 6407 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  RSA800121  Potamogeton crispus Peter Rubtzoff 1969-8-14 6126 Sonoma Salmon Creek, 5 miles west of Bodega (town) on Salmon Creek Road (1.1 miles west of Finlay Creek Crossing). Comment
  CAS-BOT-BC453899  Potamogeton nodosus Greg de Nevers 1992-6-26 10188 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  RSA800840  Potamogeton nodosus Peter Rubtzoff 1971-6-25 6552 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UCR256120  Potamogeton pusillus Greg de Nevers 1992-7-25 10228 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC141961  Potentilla anserina subsp. pacifica Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Bay Comment
  SEINET13947061 Image available Prunella vulgaris Andrew P. Nelson 1960-1 646 18 C Sonoma Originally collected from a mixed pop. At Pitkin Marsh. Comment
  UC25627  Prunella vulgaris var. lanceolata J. Burtt Davy 1894-6-17 Sonoma Knights Valley Comment
  CAS-BOT-BC159826  Prunus angustifolia Peter Rubtzoff 1952-5-31 1107 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC159902  Prunus emarginata T. E. Rawlins 1942-9-1 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC368037  Prunus subcordata Greg de Nevers 1998-7-6 11298 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Leslie Road 400 Comment
  RSA0057957  Prunus virginiana var. demissa Greg de Nevers 1998-4-27 11206 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  UCD113518  Prunus virginiana var. demissa Frederica Bowcutt 1996-5-24 2161 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  CAS-BOT-BC356498  Pseudognaphalium beneolens Walter Knight; Irja Knight 1963-10-3 379 Sonoma Off ramp freeway US 101 & Railroad Ave., Cotati Comment
  CAS-BOT-BC356501  Pseudognaphalium beneolens Mary P. Wells 1988-9-7 967 Sonoma In a plant bed at Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC356925  Pseudognaphalium californicum Walter Knight; Irja Knight 1963-8-23 287 Sonoma Joost Ranch, Calistoga Rd Comment
  CAS-BOT-BC357168  Pseudognaphalium luteoalbum G. DeNevers 1981-4-25 861 Sonoma Pepperwood Ranch. Roadside at Mark West Creek and Leslie Creek Comment
  UCD135215  Pseudognaphalium stramineum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 100 Sonoma Walk-on Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC75921  Pseudognaphalium thermale Miss M. Alice King 1896-9-1 Sonoma near Healdsburg Comment
  POM21757  Pseudotsuga menziesii A. A. Heller, H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  UCR119042  Pseudotsuga menziesii Beecher Crampton 1960-10-10 5789 Sonoma Mayacmas Mountains, south foothills, 5 miles northwest of Calistoga, Franz Valley, along Highway 128. 183 Comment
  CAS-BOT-BC173828  Psilocarphus Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7401 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC361728  Psilocarphus brevissimus var. brevissimus Catherine Best 1990-4-14 1362 Sonoma Just north of the intersection of Hwy 12 & Madrone Comment
  CAS-BOT-BC362078  Psilocarphus tenellus John Thomas Howell 1930-6-8 5243 Sonoma Bodega Road 3 miles east of Valley Ford Comment
  SEINET8722024 Image available Psoralea macrostachya Unknown 1892-1 51 a Sonoma Comment
  UCD166105  Pteridium Peter Rubtzoff 1971-9-3 6699 Sonoma Southeastern border of Spring Creek Reservoir area. Comment
  CAS-BOT-BC72688  Pteridium aquilinum John H. Thomas 1976-6-16 18290 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC421374  Pterostegia drymarioides A. A. Heller 1902-5-27 5612 Sonoma Bodega Bay Comment
  RSA0072112  Pterostegia drymarioides Greg de Nevers 1998-6-8 11271 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along old road from Rogers Apple Orchard to creek. 100 Comment
  UCR254916  Pterostegia drymarioides Greg de Nevers 1998-6-8 11271 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS78472  Pyrola aphylla Edward Lee 1936-6-7 2207 Sonoma MacLaren Trail, Bohemian Grove Comment
  CAS-BOT-BC94231  Quercus X eplingii G. De Nevers 1981-9-5 1812 Sonoma Pepperwood Ranch. Bottom of Bauer's driveway, near Hansel's Corral Comment
  UC424815  Quercus X morehus unknown 1930-3-1 3880 Sonoma Vine Hill Region, on <?>rei Ranch Vine Hill Region Comment
  SEINET12029927  Quercus X morehus W. Knight, Knight, I.; Howell, J. T. 1984-1 5081 Sonoma 1.85 mi up Cavedale Rd. from hwy 12 130 Comment
  CAS-BOT-BC61632  Quercus agrifolia Irja Knight; Walter Knight 1964-11-15 794 Sonoma along road half way up Hood's Peak Comment
  UC1196504  Quercus agrifolia Joseph P. Tracy 1930-11-30 9272 Sonoma below Knights Valley; North Coast Ranges 152 Comment
  UCD45136  Quercus agrifolia J. Adams; J. Weick 1993-5-8 258 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Tree; Rocky slope habitat south facing. Comment
  UC1135510  Quercus berberidifolia J. B. Spring 1932-6-27 92 Sonoma 2 mi n Agua Caliente; Napa Quad. 243 Comment
  LA46478  Quercus chrysolepis Marcus E. Jones; A. M. 1931-8-3 28846 Sonoma Cloverdale Comment
  UC478891  Quercus chrysolepis Marcus E. Jones, A. M. 1931-8-3 28846 Sonoma Cloverdale Comment
  CAS-BOT-BC86008  Quercus douglasii Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5391 Sonoma Pine Mountain rd. Comment
  SD88422  Quercus durata Darley F. Howe 1972-4-28 Sonoma Mt Hood Range, Trinity Road 395 Comment
  SJSU16079  Quercus garryana Allen W. Jacobs 1934-8-1 2 Sonoma Near the Hilton in Russian River Comment
  SJSU16081  Quercus garryana Allen W. Jacobs 1935-7-1 5 Sonoma Found on Russian River terrace; across the river from Hilton. Found well up and near the end of the trail above Summer Home park. High up SW facing slope past 2nd road and at end of off wood road at right. Comment
  UCD46201  Quercus garryana Roman Gankin 1967-10-4 1078 7 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  UCD46063  Quercus garryana var. garryana G. L. Stebbins Jr. 1945-10-7 3586 Sonoma 2 miles northwest of Forestdale, along highway to Guerneville. Comment
  UCD46116  Quercus garryana var. garryana Jennifer Bury; Peggy Herzog 1993-5-8 278 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center, along Lower Bald Mountain Trail. In meadow, 100 feet above parking lot. 402 Comment
  CAS-BOT-BC105480  Quercus kelloggii Dorothy Scherer 1996-10-14 73 Sonoma N side of Fort Ross Rd. ca. 1/2 mi. W of Seaview Rd. Fort Ross State Historic Park 451 Comment
  CAS-BOT-BC105484  Quercus kelloggii A. A. Heller; H. E. Brown 1902-3-17 5085 Sonoma Hills 8 miles NE of Santa Rosa Comment
  UC5630  Quercus kelloggii unknown 1899-6 111 Sonoma Asti Comment
  UCD46739  Quercus kelloggii John M. Tucker 1952-9-20 2622 Sonoma California, Sonoma Co.; Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse; Comment
  CAS-BOT-BC62804  Quercus lobata Greg de Nevers 1981-9-5 1811 Sonoma Pepperwood Ranch, across fence from Hansel's Corral, south Comment
  UC1042517  Quercus lobata Peter Rubtzoff 1951-11-24 836 Sonoma near Forestville (s of the Upper Marsh); Pitkin Marsh Comment
  UC1193239  Quercus lobata R. H. Neuns 1950-5-8 107 Sonoma 8 mi e Geyserville 579 Comment
  UC338588  Quercus lobata unknown Sonoma Comment
  CAS-BOT-BC134862  Quercus wislizeni G. DeNevers 1981-9-5 1820 Sonoma Pepperwood Ranch. Across the creek from the Goat Pens Comment
  RSA0062826  Ranunculus aquatilis Greg de Nevers 1990-3-26 9655 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Weimar Flat. 100 Comment
  UC9370  Ranunculus aquatilis var. capillaceus F. T. Bioletti 1892-1 Sonoma Comment
  UCD150854  Ranunculus arvensis Ayzik Solomescsh 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, north of city of Rohnert Park. East of Hwy 101 and south of Horn Ave. Elevation estimated from Google Earth by label maker. 30 Comment
  UC726347  Ranunculus californicus A. A. Heller 1937-5-1 16174 Sonoma in field back of bluff n Bodega Bay Comment
  UCD95929  Ranunculus californicus Beecher Crampton 1973-5-5 8929 Sonoma Sonoma Coast State Park at Carment. Comment
  CAS-BOT-BC378674  Ranunculus californicus var. californicus A. A. Heller; H. E. Brown 1902-3-14 5063 Sonoma near Windsor Comment
  CAS-BOT-BC378679  Ranunculus californicus var. californicus Peter Rubtzoff 1957-5-4 3300 Sonoma Duncans Mills Marsh, border of the uper part of Marsh Comment
  CAS-BOT-BC378682  Ranunculus californicus var. californicus Dorothy Scherer 1996-3-16 1 Sonoma Fort Ross State Historic Park, northwest corner of Windemere Point, northwest slope 24 Comment
  CAS-BOT-BC83412  Ranunculus lobbii J. Penalosa 1961-5-24 1571 Sonoma Upper Stemple Creek Marsh. Comment
  POM269865  Ranunculus lobbii Carl V. Meyer 1929-3-24 s.n. Sonoma Santa Rosa Comment
  RSA534583  Ranunculus lobbii Peter Rubtzoff 1972-3-31 6721 Sonoma Todd Road 1.4 miles from Hwy 116 and 0.6 mile from Llano Road Comment
  UC75662  Ranunculus lobbii Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  UC634968  Ranunculus muricatus H. L. Mason 1928-4-13 4324 Sonoma near Petaluma Comment
  POM269266  Ranunculus muricatus H. L. Mason 1928-4-7 4275 Sonoma Jenner, mouth of Russian River Comment
  RSA3940  Ranunculus occidentalis var. eisenii I. L. Wiggins 1932-3-12 5758 Sonoma Between Franz Valley and Knight's Valley. Comment
  UC205821  Ranunculus orthorhynchus var. bloomeri A. A. Heller 1902-3-14 5061 Sonoma near Windsor Comment
  RSA534578  Ranunculus pusillus Peter Rubtzoff 1969-5-24 6063 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  RSA94332  Ranunculus repens Peter Rubtzoff 1951-6-9 149 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CHSC91408  Raphanus sativus Richard R. Halse 1987-2-22 3376 Sonoma Along State Hwy. 121, .4 mile E of its junction with State Hwy. 116 at Big Bend in the Sonoma Valley. 6 Comment
  UC1084367  Raphanus sativus G. Thomas Robbins 1937-3-26 33 Sonoma along road to Bodega (just e of Bodega) Comment
  SEINET11522461  Raphanus sativus Richard R. Halse 1987-2-22 3376 Sonoma Sonoma Valley, along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend. 6 Comment
  UCD135429  Rhagadiolus stellatus Caitlin Lewis; William Mutch 1993-4-17 25 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  CAS-BOT-BC53746  Rhododendron columbianum Ella Dales Cantelow 1941-6-7 3643 Sonoma 5 mi. n. of Fort Ross. Hwy 1 Comment
  CAS-BOT-BC56600  Rhododendron macrophyllum Mary P. Wells 1984-8-9 450 Sonoma Forest off north end of Deerfield Road, The Sea Ranch Comment
  UC22148  Rhododendron occidentale Edw. L. Greene 1894-6-7 Sonoma Mount St. Helena Comment
  UCD117929  Rhododendron occidentale K. Esau 1933-7-8 s.n. Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC200341  Rhododendron occidentale var. occidentale Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC200346  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-17 277 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC111872  Rhynchospora alba Hans Leschke; John Thomas Howell 1945-5-30 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111884  Rhynchospora californica Peter Rubtzoff 1951-7-1 343 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  UC1100684  Rhynchospora globularis var. globularis Herbert L. Mason 1946-7-4 12882 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC111926  Rhynchospora recognita John Thomas Howell 1947-6-26 23313 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC93059  Ribes californicum var. californicum Greg de Nevers 1987-2-10 8126 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  UCR255661  Ribes divaricatum Greg de Nevers 1998-3-20 11219 Sonoma Cresta Ranch [Porter Creek Road], Mark West Creek 305 Comment
  UCR255687  Ribes divaricatum Greg de Nevers 1998-4-27 11204 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  CAS-BOT-BC168995  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1955-4-30 1803 Sonoma Forestville Marsh Comment
  UC75436  Ribes menziesii Milo S. Baker 1898-4-3 24 Sonoma between Forestville and Guerneville Comment
  RSA0021903  Ribes menziesii Peter Rubtzoff 1969-8-14 6124 Sonoma Salmon Creek Road, 3.75 mi. west of Bodega (town). Vicinity of Coleman Valley Creek. Comment
  RSA0024608  Ribes roezlii var. cruentum A. A. Heller 1903-4-24 6615 Sonoma Woods near Cazadero. Comment
  CAS-BOT-BC209371  Ribes sanguineum var. glutinosum Dorothy Scherer 1996-3-16 005 Sonoma West of Hwy 1 and south of Kolmer Gulch, Fort Ross State Historic Park 9 Comment
  UC73089  Ribes sanguineum var. glutinosum Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  CAS-BOT-BC168765  Ribes victoris A. A. Heller 1902-6-26 5773 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  JEPS9657 Image available Ribes victoris W. L. Jepson 1893-5-5 13507 Sonoma Middletown Grade Mt. St. Helena; Middletown Grade, Mt. St. Helena Comment
  UC191399  Ribes victoris var. minus Michener and Bioletti 1892-7-8 629 a Sonoma Comment
  CAS-BOT-BC74695  Rorippa curvisiliqua Peter Rubtzoff 1956-9-21 2936 Sonoma Vacation Beach, near Guernville. On Russian River bottom. Comment
  CAS-BOT-BC74714  Rorippa curvisiliqua Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh. Comment
  UC10728  Rorippa curvisiliqua H. N. Bolander Apr 1864 3894 Sonoma Mark West Creek Comment
  CAS-BOT-BC376306  Rorippa sinuata Greg de Nevers 1992-5-13 10148 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 400 Comment
  UCD113833  Rosa californica C. Wistrom 1996-5-26 28 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  CDA3957  Rosa eglanteria T. C. Fuller 1966-6-2 14851 Sonoma South side of road to Valley Ford, 2 miles west of Two Rock. 0 Comment
  CAS-BOT-BC146810  Rosa nutkana Dorothy Scherer 1997-5-20 117 Sonoma West side of Hwy. 1 and south of MM. 34.00, Fort Ross State Historic Park 36 Comment
  CAS-BOT-BC148198  Rosa rubiginosa Walter Knight; Irja Knight 1963-10-3 360 Sonoma Pasture edge at Stony Point and Meacham Rds. Comment
  CAS-BOT-BC274268  Rostraria cristata Beecher Crampton 1957-5-16 4038 Sonoma Hot Springs Road, 3 miles southwest of Cloverdale Comment
  UC12954  Rubus leucodermis J. Burtt Davy July 1896 Sonoma near Guerneville; near Guerneville Comment
  UCD17812  Rubus leucodermis H. Olmo 8-10 May 1962 62 07 Sonoma California. Sonoma County: 7.4 miles from junction of road to Fort Ross, in Cazadero. Near entrance to Horseshoe Ranch. Comment
  UCD113851  Rubus parviflorus Mary M. Hektner 1974-6-28 85 Sonoma Unit 21 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR265116  Rubus parviflorus Ann Howald 2015-4-1 3312 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  UC1073291  Rubus spectabilis George B. Rossbach 1955-3-19 310 Sonoma on thoroughfare into Bodega Harbor opposite Doran Beach Point (e edge Bodega Head); , thoroughfare into Bodega Harbor 22 Comment
  UCR47956  Rubus spectabilis var. franciscanus D. Neubacher 1975-5-11 17 Sonoma Duncan Mills Campground in Duncan Mills Comment
  UCD17815  Rubus ursinus H. Olmo 8-10 May 1962 62 10 Sonoma California. Sonoma County: 1.6 miles south of Timber Cove on ocean front ravine. Comment
  CAS-BOT-BC173526  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh Comment
  POM165242  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD101117  Rumex crassus Mary M. Hektner 1976-8-26 264 Sonoma Walk-on-Beach, Sea Ranch, near Sate Highway 1, Unit 24 Owner's Map. Comment
  SEINET11933971  Rumex crispus W. Knight, Knight, I. 1984-1 5421 Sonoma Along floodplain of Petaluma River. Gilardi's Resort 3 Comment
  CAS-BOT-BC433868  Rumex salicifolius John Thomas Howell 1957-10-12 32997 Sonoma About 1 mi. sw. of Sonoma Comment
  POM252714  Rupertia physodes A. A. Heller 1902-6-11 5991 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  UC1719909  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Bodega Bay, behind community center on W side of Hwy 1 N of town Comment
  RSA262225  Sagittaria calycina Peter Rubtzoff 1970-8-18 6305 Sonoma 5 mi N of Sears Point. Comment
  CAS-BOT-BC445692  Sagittaria cuneata Peter Rubtzoff 1955-7-16 1965 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445693  Sagittaria cuneata Peter Rubtzoff 1961-7-22 4666 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445772  Sagittaria latifolia Peter Rubtzoff 1951-8-19 663 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC445773  Sagittaria latifolia Peter Rubtzoff 1951-9-2 725 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC445780  Sagittaria latifolia John Thomas Howell 1946-8-17 22879 Sonoma The Laguna just east of Sebastopol Comment
  UC1191412  Salicornia europaea Herbert L. Mason 1946-7-29 12956 -A Sonoma 0.5 mi n Sears Point Comment
  UC903712  Salicornia europaea Milo S. Baker 1946-10 11661 Sonoma 1 mi n junction with Sears Point Hwy. (e of hwy) Comment
  RSA0019507  Salix Peter Rubtzoff 1974-4-17 7364 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC126271  Salix X sepulcralis Peter Rubtzoff 1952-5-31 1117 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC135954  Salix alba subsp. vitellina Walter Knight; Irja Knight 1986-3-3 5246 Sonoma Junction Stage Gulch Road and Old Adobe Rd., at edge of summer-dry creek. Comment
  CAS-BOT-BC103077  Salix bonplandiana Maxine Wilkes 1933-5-21 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC102863  Salix breweri John Thomas Howell 1933-4-2 10940 Sonoma slopes of Mt. Hood, Sonoma Creek Canyon Comment
  RSA13574  Salix coulteri W. A. Setchell 1934-7-10 7 Sonoma Coast Highway. N of Fort Ross. Comment
  CAS-BOT-BC103943  Salix exigua Peter Rubtzoff 1957-5-26 3371 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  RSA129737  Salix exigua H. S. Yates 1934-4-21 3818 Sonoma Near Monte Rio. 61 Comment
  UC453083  Salix exigua var. hindsiana W. A. Setchell 1931-7-25 4 Sonoma bed of Russian R. at Bohemian Grove near Monte Rio Comment
  UC453086  Salix exigua var. hindsiana W. A. Setchell 1931-7-25 7 Sonoma Russian R. at Bohemian Grove (near Monte Rio) 213 Comment
  UC453096  Salix lasiandra subsp. lasiandra W. A. Setchell 1925-7-25 14 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  CAS-BOT-BC128057  Salix lasiandra var. lasiandra Peter Rubtzoff; T. J. Crovello 1964-9-3 5496 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC128065  Salix lasiandra var. lasiandra John Thomas Howell 1932-9-18 10772 Sonoma Bank of slough draining Kenwood Marsh. Comment
  CAS-BOT-BC107255  Salix lasiolepis Ball; Bracelin; Parks & Parks 1931-4-12 34 Sonoma Maacama Creek, about 25 km. northwest of Calistoga Comment
  UC453093  Salix lasiolepis W. A. Setchell 1931-7-25 12 Sonoma Bohemian Grove Russian River (lower bank of river, near Monte Rio) Comment
  RSA31743  Salix lasiolepis A. A. Heller 1900-3-18 5097 Sonoma Santa Rosa Creek. Near Santa Rosa. Comment
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May 1 2014
  SEINET10396327  Salix lasiolepis A. A. Heller 1902-8-23 5097 Sonoma Santa Rosa Creek, E of Santa Rosa. Comment
  CAS-BOT-BC107358  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-30 2511 Sonoma below road at Bay, Bodega Bay Comment
  POM281344  Salix lasiolepis var. bigelovii Carleton R. Ball, B. S. Ball 1933-5-6 2501 Sonoma 4 miles SW of Calistoga. On road to Petrified Forest and just over the Napa Co line. Comment
  CAS-BOT-BC128315  Salix lasiolepis var. lasiolepis W. A. Setchell 1933-7-2 1 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  SEINET10417356  Salix lucida subsp. lasiandra A. A. Heller 1902-3-18 5098 Sonoma Santa Rosa Creek, E of Santa Rosa. Comment
  CAS-BOT-BC125697  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove, near Monte Rio, in gravelly bed of Russian River Comment
  CAS-BOT-BC126187  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  UCR142842  Salix scouleriana Milo S. Baker, C. R. Ball, Mrs. H. P. Bracelin, Ethel Crum 1931-5-9 342 Sonoma Coast Range, 2 km east of Occidental on Occidental Grade Comment
  CAS-BOT-BC128946  Salix sitchensis Peter Rubtzoff 1962-9-9 5075 Sonoma Brooks Gulch Marsh Comment
  SBBG57980  Salix sitchensis C. R. Ball, H. P. Bracelin, H. E. Parks, S. Parks 1931-4-21 35 Sonoma Maacama Crk, 25 km NW of Calistoga Comment
  UC482108  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 36 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  RSA0034653  Salix sitchensis C. F. Baker, Carleton R. Ball, H. P. Bracelin, Ethel Katherine Crum 1931-5-9 344 Sonoma About 2 km east of Bodega Bay. Comment
  UC726375  Salix sitchensis A. A. Heller 1900-3-12 5044 Sonoma e. flank Mt. Hood (Sonoma Creek); , Sonoma Creek Comment
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May 1 2014
  SEINET12329797  Salvia columbariae W. Knight, Knight, I.; Edwards, S. 1986-1 5339 Sonoma Geyser Peak, Access from Healdsburg-Geysers Road 869 Comment
  OBI70566  Salvia sonomensis D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .279 Sonoma Cavedale rd 518 Comment
  RSA177919  Salvia sonomensis Robert F. Thorne 1965-4-20 34368 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  UC192603  Salvia sonomensis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  SEINET12329966  Salvia sonomensis F. H. Utech 1986-1 86 -112 Sonoma ca 5 mi NE on Cavedale Road from junction with CA 12 500 Comment
  CAS-BOT-BC245888  Sambucus nigra subsp. caerulea Peter Rubtzoff 1962-6-22 4957 Sonoma Fife Creek Marsh, Ffie Creek Comment
  POM82758  Sanicula crassicaulis Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UC1022491  Sanicula crassicaulis C. Ritchie Bell 1952-3-8 3 X334 Sonoma between Santa Rosa and Calistoga Comment
  SEINET12121327  Sanicula crassicaulis W. Knight, Knight, I.; Knight, T. 1983-1 4712 Sonoma Sonoma Mountain Rd #2 within 0.75 mi from end closest to Glen Ellen near old Wake Robin Lodge site Comment
  UCD127985  Sanicula crassicaulis Caitlin Lewis; William Mutch 1993-4-17 s.n. Sonoma about 40 air miles N of San francisco, 11 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. In Adobe Canyon, N of Sugarloaf Ridge and S of Red Mtn. 1 mile.Near visitor center along Sonoma Creek. 365 Comment
  CDA6116  Sanicula laciniata D. G. Kelch 2007-5-13 07 .295-B Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  RSA799993  Saponaria Peter Rubtzoff 1955-9-10 2127 Sonoma Marshes: Guerneville Marsh. Comment
  CAS-BOT-BC441177  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero Comment
  UCSB24052  Scandix pecten-veneris James, C. 1966-4-24 Sonoma Highway 12, 2 miles east of its junction with State 116 Comment
  CAS-BOT-BC111535  Schoenoplectus americanus Peter Rubtzoff 1973-9-9 7319 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC111638  Schoenoplectus californicus Peter Rubtzoff 1971-9-1 6680 Sonoma Spring Creek Reservoir area. Comment
  SD134079  Schoenoplectus californicus Peter Rubtzoff 1967-8-28 5871 Sonoma Lower Salmon Creek Marsh, in shallow water (saline), in the open. Comment
  RSA0019148  Schoenoplectus maritimus Peter Rubtzoff 1954-7-26 1557 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC111798  Schoenoplectus pungens var. badius Peter Rubtzoff 1954-7-26 1558 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC111802  Schoenoplectus pungens var. badius Walter Knight; Irja Knight 1963-8-13 176 Sonoma Horseshoe Cove Comment
  UC1153783  Scirpus cernuus B. Crampton 1957-7-22 4374 Sonoma 0.9 mi s Stewart's Point (along State Hwy 1); s of Stewart's Point Comment
  UC590004  Scirpus microcarpus H. S. Yates 1936-5-16 5613 Sonoma 1 mi nw Mountain View School; Sebastopol Quad., nw of Mountain View School 91 Comment
  SEINET4178877 Image available Scirpus pungens Unknown 1965-5-1 6 -Aug Sonoma Marine Biological Station, Bodega Head Comment
  SEINET12058064  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -012 Sonoma 0.5 mi S of Ft. Ross Historic Site on CA 1 from junction with Ft. Ross Rd at Ft. Ross (mi 32.45) 50 Comment
  SEINET12058073  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along floodplain of Dutch Bill Creek 50 Comment
  SEINET12058076  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -002 Sonoma WNW of Sebastapol, 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  UC972188  Scribneria bolanderi Milo S. Baker 1952-3-20 12396 Sonoma about 1/4 mi n of Caliente (e side of Highway 12); Highway 12 Comment
  RSA0022396  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Rd.) Comment
  SEINET12332455  Scrophularia californica F. H. Utech 1988-1 88 -224 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  JEPS62892  Scutellaria californica W. L. Jepson 1923-6-28 10002 Sonoma Kenwood, Sonoma Canyon Kenwood; , Sonoma Canyon 243 Comment
  CAS-BOT-BC417851  Sedella pumila Milo S. Baker 1940-4-24 9551 Sonoma along Sonoma--Santa Rosa Hiwy, just N of Agua Caliente Comment
  UC1084465  Sedum spathulifolium G. Thomas Robbins 1937-6-6 230 Sonoma rolling hills 2-3 mi e Bodega Bay; e of Bodega Bay Comment
  CAS-BOT-BC62202  Selaginella wallacei Greg de Nevers 1992-3-18 10090 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 475 Comment
  CDA42468  Selaginella wallacei T. C. Fuller 1958-5-24 4016 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  UCD148425  Senecio glomeratus Peter Rubtzoff 1960-10-29 4577 Sonoma Bodega Harbor Marsh. Comment
  UCR45083  Senecio greenei L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  CAS-BOT-BC173674  Senecio hydrophilus Peter Rubtzoff 1971-8-9 6636 Sonoma Laguna Lake in Chilano Valley. Comment
  UCD135625  Senecio minimus Mary M. Hektner; Cathy Hendel 1974-7-26 179 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  CAS-BOT-BC364681  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA791558  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CDA31319  Sequoia sempervirens D. G. Kelch, Ed Biffin 2010-5-3 10 .195 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS79411  Sequoia sempervirens Edward Lee with W. A. Setchell 1936-6-6 2173 Sonoma Bohemian Grove Bohemian Grove (on ground under old trees (the majority), on bark of upper surface of old horizontal section of redwood logs (circle of benches about campfire)) Comment
  LA16918  Sequoia sempervirens C. B. Wolf; E. R. Johnson 1934-10-13 6179 Sonoma Log Cabin Ranch inland from Gualala 304 Comment
  UC252  Sequoia sempervirens J. Burtt Davy July 1896 Sonoma near Guerneville Comment
  UCD92681  Setaria faberi David L. Morgan 1958-8-6 s.n. Sonoma Highway 101, Sonoma-Marin County Line. Comment
  CAS-BOT-BC243604  Setaria parviflora Peter Rubtzoff 1971-9-2 6685 Sonoma Todd Road near Stony Point Road Comment
  SEINET10827242  Setaria parviflora P. Rubtzoff 1971-9-2 Rubtzoff 6685 Sonoma Todd Road near Stony Point Road. Dry roadside ditch, in the open. Comment
  CDA2423  Setaria pumila T. C. Fuller 1961-10-13 7106 Sonoma North bank of San Antonio Creek, Hwy 101, just north of Marin Co., line. 0 Comment
  UCD92851  Setaria viridis Freed W. Hoffman 1941-7-3 2221 Sonoma Near Guerneville. Comment
  RSA94097  Sidalcea calycosa subsp. calycosa J. T. Howell 1945-8-14 21387 Sonoma Perry Marsh Comment
  JEPS50080  Sidalcea diploscypha W. L. Jepson 1921-6-2 9295 Sonoma Healdsburg Comment
  RSA448573  Sidalcea hartwegii Cora Mae Life 1924-3-23 14601 Sonoma Petaluma. Comment
  RSA87979  Sidalcea malviflora C. L. Hitchcock 1952-6-4 19585 Sonoma 2 miles N. of Ft. Ross. Comment
  CAS-BOT-BC213166  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 19638 Sonoma Kenwood Marsh, about 1/4 mile west of Kenwood Comment
  CAS-BOT-BC290626  Sidalcea oregana subsp. valida Peter Rubtzoff; Rimo Bacigalupi 1979-8-6 9305 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  SEINET3228072  Sidalcea oregana subsp. valida John Thomas Howell 1932-1 Sonoma Comment
  UC1013153  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 19638 Sonoma about 1/4 mi w Kenwood (Kenwood Marsh); w of Kenwood, Kenwood Marsh Comment
  CAS-BOT-BC540830  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  UC640594  Silene californica Edward Lee 1936-6-8 2209 Sonoma North Ridge Fire Trail North Coast Range, Bohemian Grove (Monte Rio) (Bohemian Grove (Monte Rio)) Comment
  UC1541419  Silene gallica H. E. and S. T. Parks 1930-5-10 846 Sonoma Knights Valley 152 Comment
  UCR143600  Silene gallica G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  UCR253372  Silene gallica Peter Rubtzoff 1969-8-14 6134 Sonoma Along Salmon Creek, c. 0.5 mile upstream from Hwy #1 3 Comment
  UC1745678  Silene multinervia Annetta M. Carter 1947-5-30 1841 Sonoma S slopes of Hood Mt. N of Milo S Baker residence Kenwood; Hood Mountain; S slopes of Hood Mt. N of Milo S Baker residence, Kenwood. Comment
  UCD115720  Sisymbrium officinale Frederica Bowcutt 1994-6-12 1857 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  UCD160117  Sisyrinchium James A. Neilson Jr. 1973-6-3 3040 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CHSC34405  Sisyrinchium bellum Jeffrey D. Prouty 1979-4-11 216 Sonoma CA. 7 mi. n of Santa Rosa. Mark West Springs Road, ca. 300 yards n of juct. with Michelle Way. 137 Comment
  CHSC78104  Sisyrinchium bellum David Cheetham 1998-6-26 27 Sonoma 125-150 ft. elevation. I street extension. 38 Comment
  UC1032511  Sisyrinchium bellum E. Armstrong 1934-3-26 940 Sonoma 3 mi nw of Camp Meeker 91 Comment
  UCD138873  Sisyrinchium bellum Valerie Bullock; Waraich and Togioka 1993-5-8 244 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 365 Comment
  SD112453  Sisyrinchium californicum Darley F. Howe 1963-7-3 3585 Sonoma 20 miles north of #12 on #1. Comment
  CAS-BOT-BC166972  Solanum Peter Rubtzoff 1954-9-6 1734 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC166973  Solanum Peter Rubtzoff 1958-9-20 3994 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 miles north Guerneville Road). Comment
  UCR279642  Solanum americanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa east of Graton 23 Comment
  UCD126856  Solanum carolinense T. C. Fuller 1967-9-12 16360 Sonoma 1605 Laguna Road, Sebastopol. Comment
  UCD126844  Solanum furcatum Mary M. Hektner; Sue Dakuazku, Cathy Hendel 1974-7-3 110 Sonoma Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC156865  Solanum umbelliferum M. S. Baker 1929-1-2 3401 b Sonoma North side Mill Creek, along trail from Cooper's Ranch to Cypress Grove Comment
  NY820383  Solanum xanti A. A. Heller 1902-3-16 5076 Sonoma Russian River, Near Trenton Comment
  CAS-BOT-BC354323  Solidago Peter Rubtzoff 1969-8-26 6155 Sonoma Marsh on River Road ca. 3 miles west of Fulton. Comment
  UC1613315  Solidago velutina subsp. californica Charles M. Belshaw 1936-9-18 2670 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC173670  Soliva sessilis Peter Rubtzoff 1963-5-26 5137 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC365959  Soliva sessilis Peter Rubtzoff 1952-6-10 1204 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC365968  Soliva sessilis Ella Dales Cantelow 1939-4-19 2609 Sonoma Miss Noldeke's ranch, Sebastopol Comment
  CAS-BOT-BC164658  Sonchus Peter Rubtzoff 1960-5-15 4326 Sonoma Fife Creek Marsh. Comment
  UCD148378  Sonchus Peter Rubtzoff 1955-9-24 2153 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC374742  Sonchus oleraceus Walter Knight; Irja Knight 1963-10-3 357 Sonoma Crane Canyon Comment
  CAS-BOT-BC236591  Sorghum halepense David L. Morgan 1956-7-7 s.n. Sonoma On Stage Gulch Road, 2 1/2 mi. NW of Lakeville Comment
  CAS-BOT-BC390050  Spergula arvensis Mary P. Wells 1984-5-9 266 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC390515  Spergularia macrotheca var. macrotheca Walter Knight; Irja Knight 1963-8-13 139 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC390975  Spergularia marina G. B. Rossbach; R. P. Rossbach 1938-5-27 630 Sonoma Bodega Bay Comment
  UCD99276  Spergularia rubra Frederica Bowcutt 1996-3-24 2076 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Trail head for Lower Bald Mountain Trail at group campsite just west of Sonoma Creek. 381 Comment
  UCD167318  Stachys James Neilson 1977-6-7 3910 Sonoma Mayacmas Mountains, about 1/3 mi south east Lunar Point. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCLA71594  Stachys ajugoides var. ajugoides C. Epling, Wm. Robison 1935-7-28 Sonoma Shellville Comment
  JEPS78950  Stachys ajugoides var. rigida Edward Lee 1936-6-8 2220 Sonoma grounds near entrance Bohemian Grove Comment
  UC380648  Stachys chamissonis Marcus E. Jones, A. M. 1882-7-17 3448 Sonoma Duncan's Mills Comment
  POM80112  Stachys chamissonis Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  RSA177954  Stachys rigida subsp. quercetorum Robert F. Thorne 1965-4-20 34324 Sonoma Parker Hill Road ca. 2 1/2 miles N of Santa Rosa and 1 mile N of Sonoma County hospital. 107 Comment
  SEINET9340248  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville Comment
  SEINET9361053  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville Comment
  CAS-BOT-BC251171  Stellaria Peter Rubtzoff 1967-8-28 5866 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC175334  Stellaria borealis subsp. sitchana Peter Rubtzoff 1951-6-30 307 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC397765  Stellaria media Alice S. M. McKenzie 1981-2-23 22 Sonoma Coast between Russian and Gualala Rivers; Calif. State Hwy 1 at Kolmer Gulch. Comment
  CAS-BOT-BC397770  Stellaria media G. DeNevers 1981-4-27 878 Sonoma Pepperwood Ranch; Green gate near Hansel's corral. Comment
  HSC4280  Stellaria media S. N. Wiemeyer 1962-4-20 17 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC405133  Stellaria nitens D. E. Breedlove 1983-4-11 58691 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  UCD136267  Stephanomeria elata L. D. Gottlieb 1966-8-4 66115 Sonoma on Trinity road, 1/2 mile east of junction with Cavedale Road. 548 Comment
  HSC13351  Stipa lepida J. V. Lenz 1947-4-20 Sonoma CA 1 at Russian River. Comment
  CAS-BOT-BC61158  Streptanthus barbiger R. D. Stone; G. Clifton 1983-6-16 549 Sonoma Along Burma (Kincaid) Road, headwaters of the Cobb Creek drainage. Ca. 0.4 mile southwest of Geyser Rock. 1005 Comment
  UC708787  Streptanthus barbiger G. L. Stebbins Jr. and California Botanical Society 1946-5-19 3645 Sonoma 3 mi ne Occidental Comment
  UC1478046  Streptanthus brachiatus Charlie Patterson 1980-6-16 Sonoma ca 1 1/2 mi e Socrates Mine (near Lake Co. line) Comment
  UCR67074  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1987-7-7 s.n. Sonoma Socrates Mine area, c. 9 mi. ENE of Geyserville. Serpentine barren c. 2 mi. west of Socrates Mine, at the 'Ivana Roland' transmission line tower 0.5 mi. south of Cadd Fire Trail. 854 Comment
  JEPS83491  Streptanthus glandulosus subsp. secundus Jack and Betty Guggolz 1986-4-23 863 Sonoma w-facing steep bank on Kelly Rd 0.2 mi w junction with Rockpile Road (ca 15 mi nw of Healdsburg) Comment
  UC10912  Streptanthus glandulosus subsp. secundus Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena Comment
  UC985958  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-4 2904 Sonoma along road at base of mt 2.2 mi from Healdsburg Park (e of Healdsburg); North Coast Ranges, Fitch Mountain Comment
  NY185747  Streptanthus glandulosus subsp. secundus F. W. Hoffman 1948-6-8 2323 Sonoma North Coast Ranges; Great Eastern Quicksilver Mine near Guerneville Comment
  UC985965  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-17 2342 Sonoma Herr road above Armstrong Woods; North Coast Ranges Comment
  SEINET11990984  Streptanthus glandulosus var. secundus R. Raiche, Edwards, S.; Knight, W.; Knight, I. 1983-1 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 274 Comment
  SEINET11993499  Streptanthus glandulosus var. secundus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -236 Sonoma end of Stoetz Road 200 Comment
  SEINET11998403  Streptanthus glandulosus var. sonomensis Unknown 1986-1 60156 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 427 Comment
  UCD167337  Streptanthus morrisonii James A. Neilson Jr. 1980-6-16 3983 Sonoma Mayacmas Mountains. On unnamed tributary of Little Sulphur Creek above Healdsburg-Geysers Road. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167367  Streptanthus morrisonii James Neilson Date Unknown 4060 Sonoma Hillside due east of Layton Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1492807  Streptanthus morrisonii subsp. hirtiflorus F. W. Hoffman 1948-6-17 2344 Sonoma bluffs and cliff talus above Dorr's Cabin (headwaters of creek); North Coast Ranges, East Austin Creek; above Dorr's cabin, headwaters of East Austin Creek, Sonoma Co. Comment
  UC1292742  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1947-3-6 1053 Sonoma Gilliam Creek, tributary of East Austin Creek North Coast Ranges Comment
  CAS-BOT-BC267237  Stuckenia filiformis Peter H. Raven 1955-3-20 s.n. Sonoma 1 mile W of Schelville Comment
  RSA799981  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma On River Road, 3 mi west of Fulton. Comment
  CAS-BOT-BC540809  Symphoricarpos Peter Rubtzoff 1958-7-19 3760 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC269631  Symphoricarpos albus var. laevigatus Walter Knight; Irja Knight 1963-10-3 355 Sonoma Crane Canyon Comment
  CAS-BOT-BC97826  Symphyotrichum chilense J. W. Congdon 1880-9-12 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC97831  Symphyotrichum chilense Walter Knight; Irja Knight 1963-9-3 246 Sonoma Wiggins Hill Comment
  CDA16157  Taeniatherum caput-medusae G. F. Hrusa, R. Gross 1999-6-12 15078 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
Read comments
Jul 28 2008
  CHSC63920  Taraxia ovata John Hale 1990-4-10 17 Sonoma 610 m. N. of Stillwater Cove. Meadow. 24 Comment
  UCD166140  Taraxia ovata Peter Rubtzoff 1969-5-24 6059 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 427 Comment
  CAS-BOT-BC251236  Taraxia ovata Peter Rubtzoff 1969-6-14 6071 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  CDA433  Taxus baccata William Van Aslan 2000-8-24 PDR# 041628 Sonoma Petaluma. In pasture at 5360 Bodega Ave. Comment
  CAS-BOT-BC88007  Teesdalia coronopifolia Catherine Best 1990-3-24 1358 Sonoma On Acton Lane near Fulton northwest of Santa Rosa. Comment
  OBI9743  Tellima grandiflora Lewis S. Rose 1962-4-18 62023 Sonoma 1 mi NW of Freestone 76 Comment
  POM68315  Thermopsis californica var. californica Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC66818  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-3-21 5114 Sonoma Hills southeast of Santa Rosa. Comment
  CAS-BOT-BC66812  Thysanocarpus curvipes Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  UC609293  Thysanocarpus radians Milo S. Baker 1934-3-27 7580 Sonoma Vernal pool by Bennett Valley road se Santa Rosa; se of Santa Rosa Comment
  CAS-BOT-BC67334  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles northeast of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  POM192688  Tiarella trifoliata var. unifoliata H. P. Bracelin 1930-7-27 21 Sonoma One mile N. of Fort Ross. Comment
  UC764989  Tiarella trifoliata var. unifoliata R. F. Hoover 1941-5-14 5074 Sonoma on road to Camp Meeker 3 mi s Monte Rio Comment
  SD88502  Tiarella trifoliata var. unifoliata Darley F. Howe 1972-6-27 Sonoma Bank of Duncan Mills Pond Comment
  POM14823  Tonella tenella A. A. Heller, H. E. Brown 1902-4-4 5217 Sonoma Hills east of Santa Rosa Comment
  UC27667  Tonella tenella F. T. Bioletti 1893-4-24 Sonoma Adobe Canyon Comment
  UC71975  Tonella tenella Milo S. Baker May 1903 Sonoma Sonoma Creek Comment
  CAS-BOT-BC81459  Torreya californica Mary P. Wells 1984-7-21 374 Sonoma Hot Spot (near So. Fork of Gualala River) The Sea Ranch Comment
  HSC39062  Torreya californica Gary S. Lester 1974-2-9 67 Sonoma Sugarloaf State Park, bottoms campground 518 Comment
  UCD165111  Torreyochloa pallida var. pauciflora Peter Rubtzoff 1973-9-9 7320 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC169263  Toxicodendron diversilobum G. DeNevers 1981-4-18 738 Sonoma Pepperwood Ranch Comment
  HSC3136  Toxicodendron diversilobum S. N. Wiemeyer 1962-4-13 8 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD110462  Toxicoscordion fremontii Christopher Mallek 2008-1 HC1- 1 Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC377109  Tragopogon porrifolius G. DeNevers 1981-5-2 919 Sonoma Pepperwood Ranch. At the National Ice Co., Santa Rosa. Also at River Road x 101 Comment
  JEPS63107  Trichostema lanceolatum Milo S. Baker 1923-8-26 442 Sonoma near Geyserville (Russian River); North Coast Comment
  UC1299467  Trichostema laxum Freed W. Hoffman 1947-9-5 1386 Sonoma Dutch Hill Creek North Coast Ranges Comment
  POM128178  Trientalis latifolia H. P. Chandler 1907-5-19 7571 Sonoma White Sulphur Spring, St Helena Comment
  CAS-BOT-BC173639  Trifolium Peter Rubtzoff 1974-5-26 s.n. Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC166753  Trifolium Peter Rubtzoff 1976-5-30 8554 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC173537  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173550  Trifolium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC173630  Trifolium Peter Rubtzoff 1974-5-18 7429 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCSB50221  Trifolium albopurpureum Gray, John 1976-5-1 Sonoma Bluff above Carmert State Beach; T6N R11W 15 Comment
  UCSC011039  Trifolium appendiculatum R. Morgan 2005-5-14 4423 B Sonoma Originally from one or two plants in Santa Rosa Comment
  UCD33227  Trifolium bifidum Beecher Crampton 1967-5-15 7928 Sonoma Lytton. Comment
  CAS-BOT-BC368054  Trifolium bifidum var. bifidum Greg de Nevers 1998-5-12 11251 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1541604  Trifolium bifidum var. bifidum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  UC750533  Trifolium bifidum var. decipiens Lewis S. Rose 1947-5-9 47135 Sonoma Occidental Comment
  UCD107904  Trifolium bifidum var. decipiens A. A. Heller; H. E. Brown 1902-4-15 5293 Sonoma Santa Rosa. Comment
  UCD15835  Trifolium campestre K. Mawdsley 1998-6-30 45 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco. 10 air miles E of Santa Rosa. 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Meadow Trail about 100 yds west of Education Center and gate. 350 Comment
  RSA121691  Trifolium ciliolatum B. O. Schreiber 1936-3-5 2211 Sonoma Healdsburg quadrangle, 2 miles WNW of Mark W Srpings. 122 Comment
  JEPS2903 Image available Trifolium columbinum var. argillorum W. L. Jepson 1893-5-3 13740 Sonoma Mt. St. Helena grade Napa River Basin; Napa River Basin, Mt. St. Helena grade Comment
  UCR254855  Trifolium fragiferum Greg de Nevers 1995-6-16 10755 Sonoma Knights Valley Marsh on Bavarian Lion Ranch 197 Comment
  UCR255728  Trifolium fragiferum Greg de Nevers 1995-7-19 10761 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  RSA78622  Trifolium grayi J. T. Howell 1943-5-10 17990 Sonoma 1 mile north of Windsor Comment
  UCD111144  Trifolium hirtum Jennifer Bury; Peggy Herzog 1993-5-8 287 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon, N of Sugarloaf Ridge and S of Red Mtn 1/2 mile. On Bald Mountain Trail. 487 Comment
  JEPS81175  Trifolium microdon Edward Lee with W. A. Setchell 1936-6-7 2181 Sonoma at upper limit and just above Redwood forest (Bohemian Grove) Comment
  UCD151178  Trifolium microdon James A. Neilson Jr. 1974-4-16 2843 Sonoma Mayacmas Mountains. The Geysers. Near sulphur bank number 13, geothermal wells 1 and 3. (Elevation estimated using Google Earth by label maker.) 487 Comment
  JEPS2906 Image available Trifolium oliganthum Edward Lee Greene 1892-1 Sonoma Knight's Valley Comment
  UC16687  Trifolium oliganthum Edward Lee Greene 1892-1 Sonoma Knights Valley Comment
  SEINET10577407  Trifolium tridentatum var. tridentatum William H. Brewer 1862-4-17 Brewer 981 Sonoma Sonoma Valley, in a field. Comment
  UCD165165  Trifolium variegatum Peter Rubtzoff 1974-5-26 7485 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  JEPS128367  Trifolium willdenovii Roger Raiche 2000-4-2 015 .00 Sonoma The Cedars. Bearpen Creek watershed (CalWater # 1114.120002). Comment
  JEPS4154  Trifolium willdenovii W. L. Jepson 1912-4-30 4191 Sonoma Sonoma Valley Comment
  JEPS4162  Trifolium willdenovii Milo S. Baker 1898-6-12 645 Sonoma Geyser Canyon Comment
  UC165605  Trifolium willdenovii Milo S. Baker 1898-4 729 Sonoma Santa Rosa Creek canyon Comment
  UC630889  Trifolium willdenovii P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  UCR141953  Trifolium willdenovii Beecher Crampton 1967-5-15 7925 Sonoma Coast Range, Lytton, Alexander Valley 122 Comment
  SBBG67275  Trifolium willdenovii H. E. Parks 1930-5-9 0621 Sonoma edge of Alexander Valley Comment
  UC165540  Trifolium willdenovii H. P. Chandler 1907-4-21 1723 Sonoma rd from Glen Ellen to Oakville Comment
  SD40319  Trifolium wormskioldii Edith A. Purer 1932-7-24 4090 Sonoma Near Bridge Bay Comment
  CAS-BOT-BC368077  Trillium albidum Greg de Nevers 1998-4-27 11203 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  UCD139914  Trillium ovatum Jo Nixon 1951-3-24 7 Sonoma two miles east of Duncan Mills, south bank of Russian River. Comment
  CAS-BOT-BC521307  Trillium rivale Volney Rattan 1903-1-1 1877 Sonoma Guerville Comment
  UC27176  Triphysaria eriantha subsp. eriantha W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  UC103177  Triphysaria eriantha subsp. rosea Alice Eastwood Apr. 1901 Sonoma Bodega Comment
  OBI49266  Triphysaria versicolor subsp. faucibarbata Michener & Bioletti, Bioletti May 1892 s.n. Sonoma Shellville Comment
  UC535096  Triphysaria versicolor subsp. faucibarbata H. E. Parks 1930-5-9 631 Sonoma Knights Valley Comment
  CAS-BOT-BC200105  Trisetum canescens Peter Rubtzoff 1952-6-10 1203 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  JEPS45810  Trisetum canescens Eleanor Armstrong 1932-5-25 172 Sonoma near Camp Meeker 137 Comment
  RSA784396  Trisetum canescens Peter Rubtzoff 1958-5-30 3683 Sonoma Duncans Mill Marsh. At edge of the redwood forest bordering the marsh in west. Comment
  CAS-BOT-BC200097  Trisetum canescens G. DeNevers 1981-5-30 1350 Sonoma On N side of Studio Road at base of hill, near the green Gate Comment
  CAS-BOT-BC522361  Triteleia hyacinthina Peter Rubtzoff 1966-6-5 5762 A Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerville roads. Comment
  CAS-BOT-BC522366  Triteleia hyacinthina Peter Rubtzoff; H. A. Froebe 1971-5-30 6463 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mile west of Arnold Drive Comment
  POM221986  Triteleia hyacinthina W. C. Merrill 1895-05 s.n. Sonoma Ross Station [or Marin Co.] Comment
  UC1041014  Triteleia peduncularis J. W. Congdon 1880-5-3 Sonoma Santa Rosa Comment
  UC565400  Triteleia peduncularis G. Thomas Robbins 1937-6-5 216 Sonoma about ten mi w Santa Rosa (Vine Hill region, Pitkin Ranch); Vine Hill region, Pitkin Ranch Comment
  CAS-BOT-BC200492  Triticum aestivum David L. Morgan 1956-5-18 s.n. Sonoma On State Hiway #12, 5.4 mi. S. of Santa Rosa city limits Comment
  CAS-BOT-BC74111  Turritis glabra D. E. Breedlove 1983-4-11 58678 Sonoma Pepperwood Ranch west of Knights Valley. Comment
  CAS-BOT-BC74109  Turritis glabra John F. Emmel 1971-5-8 348 Sonoma Above Mark West Springs Road along Mark West Creek, 0.5 mile south of Mark West Springs. 146 Comment
  SD69963  Ulex europaeus Darley Howe 1968-5-21 4520 Sonoma 3.7 miles south of Bodega Bay on route 1 Comment
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Feb 6 2013
  CAS-BOT-BC91286  Umbellularia californica H. L. Mason 1925-11-26 2492 Sonoma Banks of Russian River, Monte Rio. Comment
  UC9879  Umbellularia californica Schmidt Sonoma Sonoma County Comment
  SEINET9362232  Umbellularia californica Unknown 1990-5-4 Sonoma Sonoma Comment
  UCD138017  Umbellularia californica Jennifer Bury; Peggy Herzog 1993-5-8 259 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center, 25 feet above parking lot; just off Lower Bald Mountain Trail. 379 Comment
  UCD136928  Uropappus lindleyi Frederica Bowcutt 1994-5-21 1820 Sonoma About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa and 1.5 air miles NE of Kenwood. About 18 air miles northwest of Napa. Along meadow trail approximately 3/4 mile from trailhead. 411 Comment
  CAS-BOT-BC403988  Urtica dioica subsp. gracilis Mary P. Wells 1984-8-9 438 Sonoma Near South Fork of Gualala River, the Hot Spot, The Sea Ranch Comment
  RSA620420  Urtica dioica subsp. holosericea Peter Rubtzoff 1960-9-17 4566 Sonoma Laguna de Santa Rosa, northeast of Graton (near Buerneville Road). Comment
  CAS-BOT-BC404225  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-8-29 7279 Sonoma Sonoma Creek bottom near Auga [Agua] Caliente Road crossing west of Agua Caliente Comment
  UC634726  Vaccinium ovatum H. L. Mason 1925-11-26 2496 Sonoma Monte Rio Comment
  RSA471153  Vaccinium parvifolium Christopher Davidson 1977-6-20 6031 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  CAS-BOT-BC76163  Vancouveria planipetala J. W. Congdon 1880-5-17 s.n. Sonoma Guerneville. Comment
  JEPS45856  Vancouveria planipetala Eleanor Armstrong 1932-5-18 475 Sonoma Camp Meeker 121 Comment
  JEPS78949  Vancouveria planipetala Edward Lee 1936-6-8 2218 Sonoma Smith Creek Road Bohemian Grove Comment
  CAS-BOT-BC135765  Veratrum fimbriatum John Thomas Howell 1931-9-26 8094 Sonoma 7 miles north of Fort Ross Comment
  CAS-BOT-BC320526  Verbascum Peter Rubtzoff 1973-8-29 7289 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD168061  Verbascum blattaria James Neilson 1977-6-7 3902 Sonoma Mayacmas Mountains. 1 mile so Socrates Mine on crest road. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CDA15998  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15678 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. with benches above. Comment
  CAS-BOT-BC166701  Veronica americana Peter Rubtzoff 1954-8-3 1632 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC166807  Veronica americana Peter Rubtzoff 1958-6-1 3694 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC176391  Veronica americana Peter Rubtzoff 1954-6-6 1461 Sonoma Guerneville Marsh. Comment
  CDA42023  Veronica americana T. C. Fuller 1958-5-24 3989 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  SEINET12337135  Veronica anagallis-aquatica W. Knight, Knight, I. 1988-1 6255 Sonoma Hacienda about 1/4 mi below bridge across Russian River Comment
  CAS-BOT-BC164360  Veronica arvensis Peter Rubtzoff 1959-6-20 4147 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC164369  Veronica peregrina Peter Rubtzoff 1958-4-26 3594 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  RSA0021067  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1962-5-6 4809 Sonoma Guerneville Marsh Comment
  JEPS19383  Veronica persica G. Thomas Robbins 1937-3-27 45 Sonoma Santa Rosa Comment
  JEPS86772  Vicia lathyroides Jack and Betty Guggolz 1990-6-11 1062 Sonoma about 11 km e Healdsburg (on the Ferrari-Carano Ranch) 228 Comment
  UC17022  Vicia sativa W. H. Brewer 1862-4-18 965 Sonoma near Sonoma Comment
  UC454617  Vicia sativa subsp. sativa I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC1761618  Viola adunca Helen Von Grafen 1927-4-18 Sonoma Cotati Comment
  CAS-BOT-BC270243  Viola adunca Walter Knight; Irja Knight 1964-2-27 536 Sonoma Highway 1, Rocky Point, coastal bluffs Comment
  RSA135422  Viola glabella Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC536908  Viola glabella Peter Rubtzoff 1958-5-30 3682 Sonoma Sonoma County Marshes: Duncans Mills Marsh at the border of the upper part of the Marsh Comment
  CAS-BOT-BC536910  Viola glabella Dorothy Scherer 1996-3-25 012 Sonoma Kolmer Gulch, just E of Hwy 1 and S side of stream, Fort Ross State Historic Park 11 Comment
  UC1761570  Viola glabella Helen Von Grafen 1927-4-2 Sonoma Mill Creek Comment
  UC1761451  Viola lobata Milo S. Baker 1926-5-31 164 -1926 Sonoma Triniti road, 1 mi up Comment
  UC1762531  Viola lobata Milo S. Baker 1947-5-5 11714 Sonoma Hod [Hood?] Mt., near Grant Line Comment
  UC1761433  Viola ocellata Milo S. Baker 1906-4 955 Sonoma Adobe Canyon near bridge Comment
  UC337758  Viola ocellata unknown 1892-5-4 Sonoma Armstrong Park near Guerneville; Armstrong Park Comment
  UC828264  Viola ocellata Milo S. Baker June 1939 9469 Sonoma between Occidental and Graton (s side of Meeker Grade); Meeker Grade Comment
  UC540626  Viola palustris subsp. brevipes Milo S. Baker 1934-4-1 7692 a Sonoma Kenwood Garden Kenwood; Kenwood, Sonoma Co. Comment
  UC1761634  Viola pedunculata Miss Bumbaugh 1898-3-15 Sonoma near Sebastopol Comment
  POM179744  Viola pedunculata A. A. Heller, H. E. Brown 1902-4-23 5357 Sonoma Near Sonoma. Comment
  SDSU11390  Viola sempervirens D. F. Howe 1963-7-3 3590 Sonoma 20 miles north of junction with #12 on #1, under redwoods. Comment
  UC496478  Viola sempervirens Merle Randall 1930-8-6 Sonoma Cazadero Comment
  RSA412784  Viola sempervirens Christopher Davidson 1977-6-20 6038 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  CDA2767  Viscum album subsp. album C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma Stanley Rose property, 1090 Gravenstein Highway North at Hill Station Road, 1 mile north of Sebastopol. 0 Comment
  SEINET3840829  Viscum album subsp. album C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma Sacremento, 1220 Gravestein highway north at Hill Station road, one mile north of Sebastopol Comment
  UCD17551  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 2 miles N on Upper Lake Highway, E of Ukiah. Comment
  UCD58727  Vitis rupestris Eric Wada 2006-9-3 RR 6 Sonoma On SR116 ca. 5mi south of Guerneville 58 Comment
  CAS-BOT-BC199897  Vulpia bromoides Catherine Best 1980-4-29 s.n. Sonoma Westerbecks [Westerbeke] Ranch near El Verano Comment
  CAS-BOT-BC199912  Vulpia bromoides Peter Rubtzoff 1960-5-22 4404 Sonoma Laguna de Santa Rosa area east of Graton (betw. Occidental & Guerneville rds.) Comment
  CAS-BOT-BC199913  Vulpia bromoides Peter Rubtzoff 1959-6-20 4188 Sonoma Willow Creek Marsh Comment
  UCD93548  Vulpia bromoides P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCD151186  Vulpia microstachys var. ciliata James A. Neilson Jr. 1974-4-17 3486 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  UC1024768  Vulpia microstachys var. pauciflora Leo Whitney 1935-4-14 2260 Sonoma near Occidental (Blunden's pasture) Comment
  CAS-BOT-BC184593  Vulpia microstachys var. pauciflora G. DeNevers 1981-5-15 1195 A Sonoma N slope of hill above Hansel's Lake Comment
  CAS-BOT-BC185838  Vulpia myuros subsp. megalura Peter H. Raven 1950-4-6 1549 Sonoma Cotali to Santa Rosa 45 Comment
  SEINET10604533  Vulpia myuros var. hirsuta A. Arthur Heller 1902-4-9 Heller 5250 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  CAS-BOT-BC186038  Vulpia octoflora var. octoflora Milo S. Baker 1942-5-27 10202 Sonoma Along Spring Mt. Road on summit